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Question7
Marks: 5
Students were presented with four different paintings and asked which painting they liked best.
Using the data below: What is the obtained value? (to the nearest hundredth)
Artist
Frequency
Picasso
25
Dali
41
Miro
13
Modrian
29
Answer:
Question8
Marks: 5
Students were presented with four different paintings and asked which painting they liked best.
Using the data below: What is the Critical Value? (to the nearest hundredth)
Artist
Frequency
Picasso
25
Dali
41
Miro
13
Modrian
29
Answer:
Question9
Marks: 5
Students were presented with four different paintings and asked which painting they liked best.
Using the data below: What are the degrees of freedom?
Artist
Frequency
Picasso
25
Dali
41
Miro
13
Modrian
29
Answer:
Question10
Marks: 5
Students were presented with four different paintings and asked which painting they liked best.
Is the result significant
ArtistFrequencyPiscasso25Dali41Modrian29Miro13
Choose one answer.a. nob. yes
Question11
Marks: 10
An economist is interested in studying the relationship between length of unemployment and
job-seeking activity among whit collar workers. He interviews a sample of 12 unemployed
accountants as to the number of weeks they have been unemployed (x) and weeks seeking a job
(Y). Calculate Pearson's correlation coefficient (to the nearest hundredth).
AccountantWeeks UnemployedWeeks Seeking
EmployementA28B73C54D122E15F102G81H65I54J26K37L41
Answer:
Question12
Marks: 5
An economist is interested in studying the relationship between length of unemployment and
job-seeking activity among whit collar workers. He interviews a sample of 12 unemployed
accountants as to the number of weeks they have been unemployed (x) and weeks seeking a job
(Y). What are the degrees of freedom.
AccountantWeeks UnemployedWeeks Seeking
EmployementA28B73C54D122E15F102G81H65I54J26K37L41
Answer:
Question13
Marks: 5
An economist is interested in studying the relationship between length of unemployment and
job-seeking activity among whit collar workers. He interviews a sample of 12 unemployed
accountants as to the number of weeks they have been unemployed (x) and weeks seeking a job
(Y). What is the critical value?
AccountantWeeks UnemployedWeeks Seeking
EmploymentA28B73C54D122E15F102G81H65I54J26K37L41
Answer:
Question14
Marks: 5
An economist is interested in studying the relationship between length of unemployment and
job-seeking activity among whit collar workers. He interviews a sample of 12 unemployed
accountants as to the number of weeks they have been unemployed (x) and weeks seeking a job
(Y). Is the effect significant?
Choose one answer.a. nob. yes
Question15
Marks: 5
Suppose that a researcher collected the following set of data on years of education (X) and
number of children (Y) for a sample of 10 married adults.
Calculate the slope of the regression line (to the nearest hundredth).
xy1221411701038593124142180162
Answer:
Question16
Marks: 5
Suppose that a researcher collected the following set of data on years of education (X) and
number of children (Y) for a sample of 10 married adults.
Calculate the Y intercept of the regression line (to the nearest hundredth).
xy1221411701038593124142180162
Answer:
Question17
Marks: 5
Suppose that a researcher collected the following set of data on years of education (X) and
number of children (Y) for a sample of 10 married adults.
What is the formula for the regression line?
xy1221411701038593124142180162
Answer:
Question18
Marks: 10
Suppose that a researcher collected the following set of data on years of education (X) and
number of children (Y) for a sample of 10 married adults.
Calculate the standard error (to the nearest hundredth).
xy1221411701038593124142180162
Answer:
Question7
Marks: 5
Students were presented with four different paintings and asked which painting they liked best.
Using the data below: What is the obtained value? (to the nearest hundredth)
Artist
Frequency
Picasso
25
Dali
41
Miro
13
Modrian
29
Answer:
Question8
Marks: 5
Students were presented with four different paintings and asked which painting they liked best.
Using the data below: What is the Critical Value? (to the nearest hundredth)
Artist
Frequency
Picasso
25
Dali
41
Miro
13
Modrian
29
Answer:
Question9
Marks: 5
Students were presented with four different paintings and asked which painting they liked best.
Using the data below: What are the degrees of freedom?
Artist
Frequency
Picasso
25
Dali
41
Miro
13
Modrian
29
Answer:
Question10
Marks: 5
Students were presented with four different paintings and asked which painting they liked best.
Is the result significant
ArtistFrequencyPiscasso25Dali41Modrian29Miro13
Choose one answer.a. nob. yes
Question11
Marks: 10
An economist is interested in studying the relationship between length of unemployment and
job-seeking activity among whit collar workers. He interviews a sample of 12 unemployed
accountants as to the number of weeks they have been unemployed (x) and weeks seeking a job
(Y). Calculate Pearson's correlation coefficient (to the nearest hundredth).
AccountantWeeks UnemployedWeeks Seeking
EmployementA28B73C54D122E15F102G81H65I54J26K37L41
Answer:
Question12
Marks: 5
An economist is interested in studying the relationship between length of unemployment and
job-seeking activity among whit collar workers. He interviews a sample of 12 unemployed
accountants as to the number of weeks they have been unemployed (x) and weeks seeking a job
(Y). What are the degrees of freedom.
AccountantWeeks UnemployedWeeks Seeking
EmployementA28B73C54D122E15F102G81H65I54J26K37L41
Answer:
Question13
Marks: 5
An economist is interested in studying the relationship between length of unemployment and
job-seeking activity among whit collar workers. He interviews a sample of 12 unemployed
accountants as to the number of weeks they have been unemployed (x) and weeks seeking a job
(Y). What is the critical value?
AccountantWeeks UnemployedWeeks Seeking
EmploymentA28B73C54D122E15F102G81H65I54J26K37L41
Answer:
Question14
Marks: 5
An economist is interested in studying the relationship between length of unemployment and
job-seeking activity among whit collar workers. He interviews a sample of 12 unemployed
accountants as to the number of weeks they have been unemployed (x) and weeks seeking a job
(Y). Is the effect significant?
Choose one answer.a. nob. yes
Question15
Marks: 5
Suppose that a researcher collected the following set of data on years of education (X) and
number of children (Y) for a sample of 10 married adults.
Calculate the slope of the regression line (to the nearest hundredth).
xy1221411701038593124142180162
Answer:
Question16
Marks: 5
Suppose that a researcher collected the following set of data on years of education (X) and
number of children (Y) for a sample of 10 married adults.
Calculate the Y intercept of the regression line (to the nearest hundredth).
xy1221411701038593124142180162
Answer:
Question17
Marks: 5
Suppose that a researcher collected the following set of data on years of education (X) and
number of children (Y) for a sample of 10 married adults.
What is the formula for the regression line?
xy1221411701038593124142180162
Answer:
Question18
Marks: 10
Suppose that a researcher collected the following set of data on years of education (X) and
number of children (Y) for a sample of 10 married adults.
Calculate the standard error (to the nearest hundredth).
xy1221411701038593124142180162
Answer:
Question7
Marks: 5
Students were presented with four different paintings and asked which painting they liked best.
Using the data below: What is the obtained value? (to the nearest hundredth)
Artist
Frequency
Picasso
25
Dali
41
Miro
13
Modrian
29
Answer:
Question7
Marks: 5
Marks: 5
Students were presented with four different paintings and asked which painting they liked best.
Using the data below: What is the obtained value? (to the nearest hundredth)
Artist
Frequency
Picasso
25
Dali
41
Miro
13
Modrian
29
Answer:
Students were presented with four different paintings and asked which painting they liked best.
Using the data below: What is the obtained value? (to the nearest hundredth)
Artist
Frequency
Picasso
25
Dali
41
Miro
13
Modrian
29
Answer:
Answer:
Question8
Marks: 5
Students were presented with four different paintings and asked which painting they liked best.
Using the data below: What is the Critical Value? (to the nearest hundredth)
Artist
Frequency
Picasso
25
Dali
41
Miro
13
Modrian
29
Answer:
Question8
Marks: 5
Marks: 5
Students were presented with four different paintings and asked which painting they liked best.
Using the data below: What is the Critical Value? (to the nearest hundredth)
Artist
Frequency
Picasso
25
Dali
41
Miro
13
Modrian
29
Answer:
Students were presented with four different paintings and asked which painting they liked best.
Using the data below: What is the Critical Value? (to the nearest hundredth)
Artist
Frequency
Picasso
25
Dali
41
Miro
13
Modrian
29
Answer:
Answer:
Question9
Marks: 5
Students were presented with four different paintings and asked which painting they liked best.
Using the data below: What are the degrees of freedom?
Artist
Frequency
Picasso
25
Dali
41
Miro
13
Modrian
29
Answer:
Question9
Marks: 5
Marks: 5
Students were presented with four different paintings and asked which painting they liked best.
Using the data below: What are the degrees of freedom?
Artist
Frequency
Picasso
25
Dali
41
Miro
13
Modrian
29
Answer:
Students were presented with four different paintings and asked which painting they liked best.
Using the data below: What are the degrees of freedom?
Artist
Frequency
Picasso
25
Dali
41
Miro
13
Modrian
29
Answer:
Answer:
Question10
Marks: 5
Students were presented with four different paintings and asked which painting they liked best.
Is the result significant
ArtistFrequencyPiscasso25Dali41Modrian29Miro13
Choose one answer.a. nob. yes
Question10
Marks: 5
Marks: 5
Students were presented with four different paintings and asked which painting they liked best.
Is the result significant
ArtistFrequencyPiscasso25Dali41Modrian29Miro13
Choose one answer.a. nob. yes
Students were presented with four different paintings and asked which painting they liked best.
Is the result significant
ArtistFrequencyPiscasso25Dali41Modrian29Miro13
Choose one answer.a. nob. yes
Choose one answer.
Question11
Marks: 10
An economist is interested in studying the relationship between length of unemployment and
job-seeking activity among whit collar workers. He interviews a sample of 12 unemployed
accountants as to the number of weeks they have been unemployed (x) and weeks seeking a job
(Y). Calculate Pearson's correlation coefficient (to the nearest hundredth).
AccountantWeeks UnemployedWeeks Seeking
EmployementA28B73C54D122E15F102G81H65I54J26K37L41
Answer:
Question11
Marks: 10
Marks: 10
An economist is interested in studying the relationship between length of unemployment and
job-seeking activity among whit collar workers. He interviews a sample of 12 unemployed
accountants as to the number of weeks they have been unemployed (x) and weeks seeking a job
(Y). Calculate Pearson's correlation coefficient (to the nearest hundredth).
AccountantWeeks UnemployedWeeks Seeking
EmployementA28B73C54D122E15F102G81H65I54J26K37L41
Answer:
An economist is interested in studying the relationship between length of unemployment and
job-seeking activity among whit collar workers. He interviews a sample of 12 unemployed
accountants as to the number of weeks they have been unemployed (x) and weeks seeking a job
(Y). Calculate Pearson's correlation coefficient (to the nearest hundredth).
AccountantWeeks UnemployedWeeks Seeking
EmployementA28B73C54D122E15F102G81H65I54J26K37L41
Answer:
Answer:
Question12
Marks: 5
An economist is interested in studying the relationship between length of unemployment and
job-seeking activity among whit collar workers. He interviews a sample of 12 unemployed
accountants as to the number of weeks they have been unemployed (x) and weeks seeking a job
(Y). What are the degrees of freedom.
AccountantWeeks UnemployedWeeks Seeking
EmployementA28B73C54D122E15F102G81H65I54J26K37L41
Answer:
Question12
Marks: 5
Marks: 5
An economist is interested in studying the relationship between length of unemployment and
job-seeking activity among whit collar workers. He interviews a sample of 12 unemployed
accountants as to the number of weeks they have been unemployed (x) and weeks seeking a job
(Y). What are the degrees of freedom.
AccountantWeeks UnemployedWeeks Seeking
EmployementA28B73C54D122E15F102G81H65I54J26K37L41
Answer:
An economist is interested in studying the relationship between length of unemployment and
job-seeking activity among whit collar workers. He interviews a sample of 12 unemployed
accountants as to the number of weeks they have been unemployed (x) and weeks seeking a job
(Y). What are the degrees of freedom.
AccountantWeeks UnemployedWeeks Seeking
EmployementA28B73C54D122E15F102G81H65I54J26K37L41
Answer:
Answer:
Question13
Marks: 5
An economist is interested in studying the relationship between length of unemployment and
job-seeking activity among whit collar workers. He interviews a sample of 12 unemployed
accountants as to the number of weeks they have been unemployed (x) and weeks seeking a job
(Y). What is the critical value?
AccountantWeeks UnemployedWeeks Seeking
EmploymentA28B73C54D122E15F102G81H65I54J26K37L41
Answer:
Question13
Marks: 5
Marks: 5
An economist is interested in studying the relationship between length of unemployment and
job-seeking activity among whit collar workers. He interviews a sample of 12 unemployed
accountants as to the number of weeks they have been unemployed (x) and weeks seeking a job
(Y). What is the critical value?
AccountantWeeks UnemployedWeeks Seeking
EmploymentA28B73C54D122E15F102G81H65I54J26K37L41
Answer:
An economist is interested in studying the relationship between length of unemployment and
job-seeking activity among whit collar workers. He interviews a sample of 12 unemployed
accountants as to the number of weeks they have been unemployed (x) and weeks seeking a job
(Y). What is the critical value?
AccountantWeeks UnemployedWeeks Seeking
EmploymentA28B73C54D122E15F102G81H65I54J26K37L41
Answer:
Answer:
Question14
Marks: 5
An economist is interested in studying the relationship between length of unemployment and
job-seeking activity among whit collar workers. He interviews a sample of 12 unemployed
accountants as to the number of weeks they have been unemployed (x) and weeks seeking a job
(Y). Is the effect significant?
Choose one answer.a. nob. yes
Question14
Marks: 5
Marks: 5
An economist is interested in studying the relationship between length of unemployment and
job-seeking activity among whit collar workers. He interviews a sample of 12 unemployed
accountants as to the number of weeks they have been unemployed (x) and weeks seeking a job
(Y). Is the effect significant?
Choose one answer.a. nob. yes
An economist is interested in studying the relationship between length of unemployment and
job-seeking activity among whit collar workers. He interviews a sample of 12 unemployed
accountants as to the number of weeks they have been unemployed (x) and weeks seeking a job
(Y). Is the effect significant?
Choose one answer.a. nob. yes
Choose one answer.
Question15
Marks: 5
Suppose that a researcher collected the following set of data on years of education (X) and
number of children (Y) for a sample of 10 married adults.
Calculate the slope of the regression line (to the nearest hundredth).
xy1221411701038593124142180162
Answer:
Question15
Marks: 5
Marks: 5
Suppose that a researcher collected the following set of data on years of education (X) and
number of children (Y) for a sample of 10 married adults.
Calculate the slope of the regression line (to the nearest hundredth).
xy1221411701038593124142180162
Answer:
Suppose that a researcher collected the following set of data on years of education (X) and
number of children (Y) for a sample of 10 married adults.
Calculate the slope of the regression line (to the nearest hundredth).
xy1221411701038593124142180162
Answer:
Answer:
Question16
Marks: 5
Suppose that a researcher collected the following set of data on years of education (X) and
number of children (Y) for a sample of 10 married adults.
Calculate the Y intercept of the regression line (to the nearest hundredth).
xy1221411701038593124142180162
Answer:
Question16
Marks: 5
Marks: 5
Suppose that a researcher collected the following set of data on years of education (X) and
number of children (Y) for a sample of 10 married adults.
Calculate the Y intercept of the regression line (to the nearest hundredth).
xy1221411701038593124142180162
Answer:
Suppose that a researcher collected the following set of data on years of education (X) and
number of children (Y) for a sample of 10 married adults.
Calculate the Y intercept of the regression line (to the nearest hundredth).
xy1221411701038593124142180162
Answer:
Answer:
Question17
Marks: 5
Suppose that a researcher collected the following set of data on years of education (X) and
number of children (Y) for a sample of 10 married adults.
What is the formula for the regression line?
xy1221411701038593124142180162
Answer:
Question17
Marks: 5
Marks: 5
Suppose that a researcher collected the following set of data on years of education (X) and
number of children (Y) for a sample of 10 married adults.
What is the formula for the regression line?
xy1221411701038593124142180162
Answer:
Suppose that a researcher collected the following set of data on years of education (X) and
number of children (Y) for a sample of 10 married adults.
What is the formula for the regression line?
xy1221411701038593124142180162
Answer:
Answer:
Question18
Marks: 10
Suppose that a researcher collected the following set of data on years of education (X) and
number of children (Y) for a sample of 10 married adults.
Calculate the standard error (to the nearest hundredth).
xy1221411701038593124142180162
Answer:
Question18
Marks: 10
Marks: 10
Suppose that a researcher collected the following set of data on years of education (X) and
number of children (Y) for a sample of 10 married adults.
Calculate the standard error (to the nearest hundredth).
xy1221411701038593124142180162
Answer:
Suppose that a researcher collected the following set of data on years of education (X) and
number of children (Y) for a sample of 10 married adults.
Calculate the standard error (to the nearest hundredth).
xy1221411701038593124142180162
Answer:
Answer:
Solution
Marks: 5
Students were presented with four different paintings and asked which painting they liked best.
Using the data below: What are the degrees of freedom?
Artist
Frequency
Picasso
25
Dali
41
Miro
13
Modrian
29
Answer:
Are we to presume that 25 students preferred the Picasso, 41 the Dali, etc? If so, please say so.
You can't take the expected value of a painting. You need a real valued function.
Or is the Picasso assigned a value of 25, the Dali a value of 41, etc. Doesn't make much sense,
but you're not supplying a description of what these numbers are. If this is the case and the
preferences are equally distributed among the four paintings, the expected value would seem to
be (25+41+13+29)/4 = 108/4 = 27
Students were presented with four different paintings and asked which painting they liked best.
Using the data below: What are the degrees of freedom?
Artist
Frequency
Picasso
25
Dali
41
Miro
13
Modrian
29
Answer:
Are we to presume that 25 students preferred the Picasso, 41 the Dali, etc? If so, please say so.
You can't take the expected value of a painting. You need a real valued function.
Or is the Picasso assigned a value of 25, the Dali a value of 41, etc. Doesn't make much sense,
but you're not supplying a description of what these numbers are. If this is the case and the
preferences are equally distributed among the four paintings, the expected value would seem to
be (25+41+13+29)/4 = 108/4 = 27
Answer:
Are we to presume that 25 students preferred the Picasso, 41 the Dali, etc? If so, please say so.
You can't take the expected value of a painting. You need a real valued function.
Or is the Picasso assigned a value of 25, the Dali a value of 41, etc. Doesn't make much sense,
but you're not supplying a description of what these numbers are. If this is the case and the
preferences are equally distributed among the four paintings, the expected value would seem to
be (25+41+13+29)/4 = 108/4 = 27 Artist
Frequency
Picasso
25
Dali
41
Miro
13
Modrian
29

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Question7Marks 5Students we.pdf

  • 1. Question7 Marks: 5 Students were presented with four different paintings and asked which painting they liked best. Using the data below: What is the obtained value? (to the nearest hundredth) Artist Frequency Picasso 25 Dali 41 Miro 13 Modrian 29
  • 2. Answer: Question8 Marks: 5 Students were presented with four different paintings and asked which painting they liked best. Using the data below: What is the Critical Value? (to the nearest hundredth) Artist Frequency Picasso 25 Dali 41 Miro 13 Modrian 29 Answer: Question9 Marks: 5 Students were presented with four different paintings and asked which painting they liked best. Using the data below: What are the degrees of freedom? Artist Frequency Picasso 25
  • 3. Dali 41 Miro 13 Modrian 29 Answer: Question10 Marks: 5 Students were presented with four different paintings and asked which painting they liked best. Is the result significant ArtistFrequencyPiscasso25Dali41Modrian29Miro13 Choose one answer.a. nob. yes Question11 Marks: 10 An economist is interested in studying the relationship between length of unemployment and job-seeking activity among whit collar workers. He interviews a sample of 12 unemployed accountants as to the number of weeks they have been unemployed (x) and weeks seeking a job (Y). Calculate Pearson's correlation coefficient (to the nearest hundredth). AccountantWeeks UnemployedWeeks Seeking EmployementA28B73C54D122E15F102G81H65I54J26K37L41 Answer: Question12
  • 4. Marks: 5 An economist is interested in studying the relationship between length of unemployment and job-seeking activity among whit collar workers. He interviews a sample of 12 unemployed accountants as to the number of weeks they have been unemployed (x) and weeks seeking a job (Y). What are the degrees of freedom. AccountantWeeks UnemployedWeeks Seeking EmployementA28B73C54D122E15F102G81H65I54J26K37L41 Answer: Question13 Marks: 5 An economist is interested in studying the relationship between length of unemployment and job-seeking activity among whit collar workers. He interviews a sample of 12 unemployed accountants as to the number of weeks they have been unemployed (x) and weeks seeking a job (Y). What is the critical value? AccountantWeeks UnemployedWeeks Seeking EmploymentA28B73C54D122E15F102G81H65I54J26K37L41 Answer: Question14 Marks: 5 An economist is interested in studying the relationship between length of unemployment and job-seeking activity among whit collar workers. He interviews a sample of 12 unemployed accountants as to the number of weeks they have been unemployed (x) and weeks seeking a job (Y). Is the effect significant? Choose one answer.a. nob. yes
  • 5. Question15 Marks: 5 Suppose that a researcher collected the following set of data on years of education (X) and number of children (Y) for a sample of 10 married adults. Calculate the slope of the regression line (to the nearest hundredth). xy1221411701038593124142180162 Answer: Question16 Marks: 5 Suppose that a researcher collected the following set of data on years of education (X) and number of children (Y) for a sample of 10 married adults. Calculate the Y intercept of the regression line (to the nearest hundredth). xy1221411701038593124142180162 Answer: Question17 Marks: 5 Suppose that a researcher collected the following set of data on years of education (X) and number of children (Y) for a sample of 10 married adults. What is the formula for the regression line? xy1221411701038593124142180162 Answer:
  • 6. Question18 Marks: 10 Suppose that a researcher collected the following set of data on years of education (X) and number of children (Y) for a sample of 10 married adults. Calculate the standard error (to the nearest hundredth). xy1221411701038593124142180162 Answer: Question7 Marks: 5 Students were presented with four different paintings and asked which painting they liked best. Using the data below: What is the obtained value? (to the nearest hundredth) Artist Frequency
  • 7. Picasso 25 Dali 41 Miro 13 Modrian 29 Answer: Question8 Marks: 5 Students were presented with four different paintings and asked which painting they liked best. Using the data below: What is the Critical Value? (to the nearest hundredth) Artist Frequency Picasso 25 Dali 41 Miro 13 Modrian 29 Answer:
  • 8. Question9 Marks: 5 Students were presented with four different paintings and asked which painting they liked best. Using the data below: What are the degrees of freedom? Artist Frequency Picasso 25 Dali 41 Miro 13 Modrian 29 Answer: Question10 Marks: 5 Students were presented with four different paintings and asked which painting they liked best. Is the result significant ArtistFrequencyPiscasso25Dali41Modrian29Miro13 Choose one answer.a. nob. yes Question11 Marks: 10 An economist is interested in studying the relationship between length of unemployment and job-seeking activity among whit collar workers. He interviews a sample of 12 unemployed
  • 9. accountants as to the number of weeks they have been unemployed (x) and weeks seeking a job (Y). Calculate Pearson's correlation coefficient (to the nearest hundredth). AccountantWeeks UnemployedWeeks Seeking EmployementA28B73C54D122E15F102G81H65I54J26K37L41 Answer: Question12 Marks: 5 An economist is interested in studying the relationship between length of unemployment and job-seeking activity among whit collar workers. He interviews a sample of 12 unemployed accountants as to the number of weeks they have been unemployed (x) and weeks seeking a job (Y). What are the degrees of freedom. AccountantWeeks UnemployedWeeks Seeking EmployementA28B73C54D122E15F102G81H65I54J26K37L41 Answer: Question13 Marks: 5 An economist is interested in studying the relationship between length of unemployment and job-seeking activity among whit collar workers. He interviews a sample of 12 unemployed accountants as to the number of weeks they have been unemployed (x) and weeks seeking a job (Y). What is the critical value? AccountantWeeks UnemployedWeeks Seeking EmploymentA28B73C54D122E15F102G81H65I54J26K37L41 Answer:
  • 10. Question14 Marks: 5 An economist is interested in studying the relationship between length of unemployment and job-seeking activity among whit collar workers. He interviews a sample of 12 unemployed accountants as to the number of weeks they have been unemployed (x) and weeks seeking a job (Y). Is the effect significant? Choose one answer.a. nob. yes Question15 Marks: 5 Suppose that a researcher collected the following set of data on years of education (X) and number of children (Y) for a sample of 10 married adults. Calculate the slope of the regression line (to the nearest hundredth). xy1221411701038593124142180162 Answer: Question16 Marks: 5 Suppose that a researcher collected the following set of data on years of education (X) and number of children (Y) for a sample of 10 married adults. Calculate the Y intercept of the regression line (to the nearest hundredth). xy1221411701038593124142180162 Answer: Question17
  • 11. Marks: 5 Suppose that a researcher collected the following set of data on years of education (X) and number of children (Y) for a sample of 10 married adults. What is the formula for the regression line? xy1221411701038593124142180162 Answer: Question18 Marks: 10 Suppose that a researcher collected the following set of data on years of education (X) and number of children (Y) for a sample of 10 married adults. Calculate the standard error (to the nearest hundredth). xy1221411701038593124142180162 Answer:
  • 12. Question7 Marks: 5 Students were presented with four different paintings and asked which painting they liked best. Using the data below: What is the obtained value? (to the nearest hundredth) Artist Frequency Picasso 25 Dali 41 Miro 13 Modrian 29 Answer: Question7 Marks: 5 Marks: 5 Students were presented with four different paintings and asked which painting they liked best. Using the data below: What is the obtained value? (to the nearest hundredth) Artist Frequency Picasso 25 Dali 41 Miro
  • 13. 13 Modrian 29 Answer: Students were presented with four different paintings and asked which painting they liked best. Using the data below: What is the obtained value? (to the nearest hundredth) Artist Frequency Picasso 25 Dali 41 Miro 13 Modrian 29 Answer: Answer: Question8 Marks: 5 Students were presented with four different paintings and asked which painting they liked best. Using the data below: What is the Critical Value? (to the nearest hundredth)
  • 14. Artist Frequency Picasso 25 Dali 41 Miro 13 Modrian 29 Answer: Question8 Marks: 5 Marks: 5 Students were presented with four different paintings and asked which painting they liked best. Using the data below: What is the Critical Value? (to the nearest hundredth) Artist Frequency Picasso 25 Dali 41 Miro 13 Modrian 29 Answer:
  • 15. Students were presented with four different paintings and asked which painting they liked best. Using the data below: What is the Critical Value? (to the nearest hundredth) Artist Frequency Picasso 25 Dali 41 Miro 13 Modrian 29 Answer: Answer: Question9 Marks: 5 Students were presented with four different paintings and asked which painting they liked best. Using the data below: What are the degrees of freedom? Artist Frequency Picasso 25 Dali 41 Miro
  • 16. 13 Modrian 29 Answer: Question9 Marks: 5 Marks: 5 Students were presented with four different paintings and asked which painting they liked best. Using the data below: What are the degrees of freedom? Artist Frequency Picasso 25 Dali 41 Miro 13 Modrian 29 Answer: Students were presented with four different paintings and asked which painting they liked best. Using the data below: What are the degrees of freedom? Artist Frequency Picasso
  • 17. 25 Dali 41 Miro 13 Modrian 29 Answer: Answer: Question10 Marks: 5 Students were presented with four different paintings and asked which painting they liked best. Is the result significant ArtistFrequencyPiscasso25Dali41Modrian29Miro13 Choose one answer.a. nob. yes Question10 Marks: 5 Marks: 5 Students were presented with four different paintings and asked which painting they liked best. Is the result significant ArtistFrequencyPiscasso25Dali41Modrian29Miro13 Choose one answer.a. nob. yes Students were presented with four different paintings and asked which painting they liked best. Is the result significant ArtistFrequencyPiscasso25Dali41Modrian29Miro13
  • 18. Choose one answer.a. nob. yes Choose one answer. Question11 Marks: 10 An economist is interested in studying the relationship between length of unemployment and job-seeking activity among whit collar workers. He interviews a sample of 12 unemployed accountants as to the number of weeks they have been unemployed (x) and weeks seeking a job (Y). Calculate Pearson's correlation coefficient (to the nearest hundredth). AccountantWeeks UnemployedWeeks Seeking EmployementA28B73C54D122E15F102G81H65I54J26K37L41 Answer: Question11 Marks: 10 Marks: 10 An economist is interested in studying the relationship between length of unemployment and job-seeking activity among whit collar workers. He interviews a sample of 12 unemployed accountants as to the number of weeks they have been unemployed (x) and weeks seeking a job (Y). Calculate Pearson's correlation coefficient (to the nearest hundredth). AccountantWeeks UnemployedWeeks Seeking EmployementA28B73C54D122E15F102G81H65I54J26K37L41 Answer: An economist is interested in studying the relationship between length of unemployment and job-seeking activity among whit collar workers. He interviews a sample of 12 unemployed accountants as to the number of weeks they have been unemployed (x) and weeks seeking a job (Y). Calculate Pearson's correlation coefficient (to the nearest hundredth). AccountantWeeks UnemployedWeeks Seeking
  • 19. EmployementA28B73C54D122E15F102G81H65I54J26K37L41 Answer: Answer: Question12 Marks: 5 An economist is interested in studying the relationship between length of unemployment and job-seeking activity among whit collar workers. He interviews a sample of 12 unemployed accountants as to the number of weeks they have been unemployed (x) and weeks seeking a job (Y). What are the degrees of freedom. AccountantWeeks UnemployedWeeks Seeking EmployementA28B73C54D122E15F102G81H65I54J26K37L41 Answer: Question12 Marks: 5 Marks: 5 An economist is interested in studying the relationship between length of unemployment and job-seeking activity among whit collar workers. He interviews a sample of 12 unemployed accountants as to the number of weeks they have been unemployed (x) and weeks seeking a job (Y). What are the degrees of freedom. AccountantWeeks UnemployedWeeks Seeking EmployementA28B73C54D122E15F102G81H65I54J26K37L41 Answer:
  • 20. An economist is interested in studying the relationship between length of unemployment and job-seeking activity among whit collar workers. He interviews a sample of 12 unemployed accountants as to the number of weeks they have been unemployed (x) and weeks seeking a job (Y). What are the degrees of freedom. AccountantWeeks UnemployedWeeks Seeking EmployementA28B73C54D122E15F102G81H65I54J26K37L41 Answer: Answer: Question13 Marks: 5 An economist is interested in studying the relationship between length of unemployment and job-seeking activity among whit collar workers. He interviews a sample of 12 unemployed accountants as to the number of weeks they have been unemployed (x) and weeks seeking a job (Y). What is the critical value? AccountantWeeks UnemployedWeeks Seeking EmploymentA28B73C54D122E15F102G81H65I54J26K37L41 Answer: Question13 Marks: 5 Marks: 5 An economist is interested in studying the relationship between length of unemployment and job-seeking activity among whit collar workers. He interviews a sample of 12 unemployed accountants as to the number of weeks they have been unemployed (x) and weeks seeking a job (Y). What is the critical value? AccountantWeeks UnemployedWeeks Seeking
  • 21. EmploymentA28B73C54D122E15F102G81H65I54J26K37L41 Answer: An economist is interested in studying the relationship between length of unemployment and job-seeking activity among whit collar workers. He interviews a sample of 12 unemployed accountants as to the number of weeks they have been unemployed (x) and weeks seeking a job (Y). What is the critical value? AccountantWeeks UnemployedWeeks Seeking EmploymentA28B73C54D122E15F102G81H65I54J26K37L41 Answer: Answer: Question14 Marks: 5 An economist is interested in studying the relationship between length of unemployment and job-seeking activity among whit collar workers. He interviews a sample of 12 unemployed accountants as to the number of weeks they have been unemployed (x) and weeks seeking a job (Y). Is the effect significant? Choose one answer.a. nob. yes Question14 Marks: 5 Marks: 5 An economist is interested in studying the relationship between length of unemployment and job-seeking activity among whit collar workers. He interviews a sample of 12 unemployed accountants as to the number of weeks they have been unemployed (x) and weeks seeking a job (Y). Is the effect significant?
  • 22. Choose one answer.a. nob. yes An economist is interested in studying the relationship between length of unemployment and job-seeking activity among whit collar workers. He interviews a sample of 12 unemployed accountants as to the number of weeks they have been unemployed (x) and weeks seeking a job (Y). Is the effect significant? Choose one answer.a. nob. yes Choose one answer. Question15 Marks: 5 Suppose that a researcher collected the following set of data on years of education (X) and number of children (Y) for a sample of 10 married adults. Calculate the slope of the regression line (to the nearest hundredth). xy1221411701038593124142180162 Answer: Question15 Marks: 5 Marks: 5 Suppose that a researcher collected the following set of data on years of education (X) and number of children (Y) for a sample of 10 married adults. Calculate the slope of the regression line (to the nearest hundredth). xy1221411701038593124142180162 Answer: Suppose that a researcher collected the following set of data on years of education (X) and number of children (Y) for a sample of 10 married adults. Calculate the slope of the regression line (to the nearest hundredth).
  • 23. xy1221411701038593124142180162 Answer: Answer: Question16 Marks: 5 Suppose that a researcher collected the following set of data on years of education (X) and number of children (Y) for a sample of 10 married adults. Calculate the Y intercept of the regression line (to the nearest hundredth). xy1221411701038593124142180162 Answer: Question16 Marks: 5 Marks: 5 Suppose that a researcher collected the following set of data on years of education (X) and number of children (Y) for a sample of 10 married adults. Calculate the Y intercept of the regression line (to the nearest hundredth). xy1221411701038593124142180162 Answer: Suppose that a researcher collected the following set of data on years of education (X) and number of children (Y) for a sample of 10 married adults. Calculate the Y intercept of the regression line (to the nearest hundredth). xy1221411701038593124142180162
  • 24. Answer: Answer: Question17 Marks: 5 Suppose that a researcher collected the following set of data on years of education (X) and number of children (Y) for a sample of 10 married adults. What is the formula for the regression line? xy1221411701038593124142180162 Answer: Question17 Marks: 5 Marks: 5 Suppose that a researcher collected the following set of data on years of education (X) and number of children (Y) for a sample of 10 married adults. What is the formula for the regression line? xy1221411701038593124142180162 Answer: Suppose that a researcher collected the following set of data on years of education (X) and number of children (Y) for a sample of 10 married adults. What is the formula for the regression line? xy1221411701038593124142180162
  • 25. Answer: Answer: Question18 Marks: 10 Suppose that a researcher collected the following set of data on years of education (X) and number of children (Y) for a sample of 10 married adults. Calculate the standard error (to the nearest hundredth). xy1221411701038593124142180162 Answer: Question18 Marks: 10 Marks: 10 Suppose that a researcher collected the following set of data on years of education (X) and number of children (Y) for a sample of 10 married adults. Calculate the standard error (to the nearest hundredth). xy1221411701038593124142180162 Answer: Suppose that a researcher collected the following set of data on years of education (X) and number of children (Y) for a sample of 10 married adults. Calculate the standard error (to the nearest hundredth). xy1221411701038593124142180162 Answer:
  • 26. Answer: Solution Marks: 5 Students were presented with four different paintings and asked which painting they liked best. Using the data below: What are the degrees of freedom? Artist Frequency Picasso 25 Dali 41 Miro 13 Modrian 29 Answer:
  • 27. Are we to presume that 25 students preferred the Picasso, 41 the Dali, etc? If so, please say so. You can't take the expected value of a painting. You need a real valued function. Or is the Picasso assigned a value of 25, the Dali a value of 41, etc. Doesn't make much sense, but you're not supplying a description of what these numbers are. If this is the case and the preferences are equally distributed among the four paintings, the expected value would seem to be (25+41+13+29)/4 = 108/4 = 27 Students were presented with four different paintings and asked which painting they liked best. Using the data below: What are the degrees of freedom? Artist Frequency Picasso 25 Dali 41 Miro 13 Modrian 29 Answer: Are we to presume that 25 students preferred the Picasso, 41 the Dali, etc? If so, please say so. You can't take the expected value of a painting. You need a real valued function. Or is the Picasso assigned a value of 25, the Dali a value of 41, etc. Doesn't make much sense, but you're not supplying a description of what these numbers are. If this is the case and the preferences are equally distributed among the four paintings, the expected value would seem to be (25+41+13+29)/4 = 108/4 = 27 Answer: Are we to presume that 25 students preferred the Picasso, 41 the Dali, etc? If so, please say so. You can't take the expected value of a painting. You need a real valued function. Or is the Picasso assigned a value of 25, the Dali a value of 41, etc. Doesn't make much sense, but you're not supplying a description of what these numbers are. If this is the case and the
  • 28. preferences are equally distributed among the four paintings, the expected value would seem to be (25+41+13+29)/4 = 108/4 = 27 Artist Frequency Picasso 25 Dali 41 Miro 13 Modrian 29