SlideShare a Scribd company logo
1 of 1
Download to read offline
A Stativtics probestoe has obterved that for several years shudents soore an average of 106
points out of 150 on the semester exam. A salesman suggests that he try a stassties sohware
package thal gets stidents thore lovolved with computers, predicting that a will increase students'
scoces. The soffware is expenshe, and the salosman oflers to let the prolfssor use it for a
semester io see the scores on the fral evam increase signilicantly. The prolessor will have to poy
for the sothware only it he chootes fo continie using it in the trial course that used this sottware,
242 thudents soored an overage of tof point on the final with a standard deviaton of 8.8 points.
Cemplete parts a) and b) below. a) Should the poolestor spend the money lor this sufware?
Support this reconnendition with an appropriale test Use a =0.05. What are the null and
alemative typotheces?

More Related Content

Similar to A Stativtics probestoe has obterved that for several years shudents s.pdf

Aldi questions fundamentals of testing
Aldi questions fundamentals of testingAldi questions fundamentals of testing
Aldi questions fundamentals of testing
aldi aulia
 
Standard error of measurement
Standard error of measurementStandard error of measurement
Standard error of measurement
tlcoffman
 
Standard error of measurement
Standard error of measurementStandard error of measurement
Standard error of measurement
tlcoffman
 
Th14 Balanced Testing Presentation
Th14   Balanced Testing   PresentationTh14   Balanced Testing   Presentation
Th14 Balanced Testing Presentation
Edwin Loon, van
 
Measurement
MeasurementMeasurement
Measurement
wilsone
 
Rubric Detail A rubric lists grading criteria that instructors.docx
Rubric Detail A rubric lists grading criteria that instructors.docxRubric Detail A rubric lists grading criteria that instructors.docx
Rubric Detail A rubric lists grading criteria that instructors.docx
healdkathaleen
 
PGNA 2014: Joe Walker Elementary
PGNA 2014: Joe Walker ElementaryPGNA 2014: Joe Walker Elementary
PGNA 2014: Joe Walker Elementary
Laura Jacob
 

Similar to A Stativtics probestoe has obterved that for several years shudents s.pdf (20)

Accuracy and Precision tests EU EPSO
Accuracy and Precision tests EU EPSOAccuracy and Precision tests EU EPSO
Accuracy and Precision tests EU EPSO
 
Aldi questions fundamentals of testing
Aldi questions fundamentals of testingAldi questions fundamentals of testing
Aldi questions fundamentals of testing
 
Standard error of measurement
Standard error of measurementStandard error of measurement
Standard error of measurement
 
Standard error of measurement
Standard error of measurementStandard error of measurement
Standard error of measurement
 
Grading and Reporting
Grading and ReportingGrading and Reporting
Grading and Reporting
 
Build a Winning Conversion Optimization Strategy
Build a Winning Conversion Optimization StrategyBuild a Winning Conversion Optimization Strategy
Build a Winning Conversion Optimization Strategy
 
PID3687979
PID3687979PID3687979
PID3687979
 
Fundamentals of testing
Fundamentals of testingFundamentals of testing
Fundamentals of testing
 
Ece sga 102 finalizing data_v1.00
Ece sga 102 finalizing data_v1.00Ece sga 102 finalizing data_v1.00
Ece sga 102 finalizing data_v1.00
 
External Quality Control Lecture MD General 2014 Course, Clin Path Ain Shams ...
External Quality Control Lecture MD General 2014 Course, Clin Path Ain Shams ...External Quality Control Lecture MD General 2014 Course, Clin Path Ain Shams ...
External Quality Control Lecture MD General 2014 Course, Clin Path Ain Shams ...
 
Krajewski Chapter 13.ppt
Krajewski Chapter 13.pptKrajewski Chapter 13.ppt
Krajewski Chapter 13.ppt
 
Th14 Balanced Testing Presentation
Th14   Balanced Testing   PresentationTh14   Balanced Testing   Presentation
Th14 Balanced Testing Presentation
 
Measurement
MeasurementMeasurement
Measurement
 
Questions fundamentals of testing
Questions fundamentals of testingQuestions fundamentals of testing
Questions fundamentals of testing
 
Action plan for laboratory department
Action plan for laboratory departmentAction plan for laboratory department
Action plan for laboratory department
 
Rubric Detail A rubric lists grading criteria that instructors.docx
Rubric Detail A rubric lists grading criteria that instructors.docxRubric Detail A rubric lists grading criteria that instructors.docx
Rubric Detail A rubric lists grading criteria that instructors.docx
 
Countries’ presentation on internal quality control: Indonesia
Countries’ presentation on internal quality control: IndonesiaCountries’ presentation on internal quality control: Indonesia
Countries’ presentation on internal quality control: Indonesia
 
Training Evaluation and Measuremen.pptx
Training Evaluation and Measuremen.pptxTraining Evaluation and Measuremen.pptx
Training Evaluation and Measuremen.pptx
 
PGNA 2014: Joe Walker Elementary
PGNA 2014: Joe Walker ElementaryPGNA 2014: Joe Walker Elementary
PGNA 2014: Joe Walker Elementary
 
Use the Windshield, Not the Mirror Predictive Metrics that Drive Successful ...
 Use the Windshield, Not the Mirror Predictive Metrics that Drive Successful ... Use the Windshield, Not the Mirror Predictive Metrics that Drive Successful ...
Use the Windshield, Not the Mirror Predictive Metrics that Drive Successful ...
 

More from nishimadam

A study took a sample to investigate how video on demand and other su.pdf
 A study took a sample to investigate how video on demand and other su.pdf A study took a sample to investigate how video on demand and other su.pdf
A study took a sample to investigate how video on demand and other su.pdf
nishimadam
 

More from nishimadam (16)

a survey collecting data about the salaries earned by recent co.pdf
 a survey collecting data about the salaries earned by recent co.pdf a survey collecting data about the salaries earned by recent co.pdf
a survey collecting data about the salaries earned by recent co.pdf
 
A study took a sample to investigate how video on demand and other su.pdf
 A study took a sample to investigate how video on demand and other su.pdf A study took a sample to investigate how video on demand and other su.pdf
A study took a sample to investigate how video on demand and other su.pdf
 
A stock has produced returns of 11.9 percent, 5.6 percent, 14.6 perce.pdf
 A stock has produced returns of 11.9 percent, 5.6 percent, 14.6 perce.pdf A stock has produced returns of 11.9 percent, 5.6 percent, 14.6 perce.pdf
A stock has produced returns of 11.9 percent, 5.6 percent, 14.6 perce.pdf
 
A study found that in community collcges that 55 of students are cho.pdf
 A study found that in community collcges that 55 of students are cho.pdf A study found that in community collcges that 55 of students are cho.pdf
A study found that in community collcges that 55 of students are cho.pdf
 
A standardized exams scores are normally distr.pdf
 A standardized exams scores are normally distr.pdf A standardized exams scores are normally distr.pdf
A standardized exams scores are normally distr.pdf
 
a) Assume that currently, the Program Counter (PC) holds 201. Execute.pdf
 a) Assume that currently, the Program Counter (PC) holds 201. Execute.pdf a) Assume that currently, the Program Counter (PC) holds 201. Execute.pdf
a) Assume that currently, the Program Counter (PC) holds 201. Execute.pdf
 
a) A portfolio consisting of Stocks 1 and 2 has an expected return of.pdf
 a) A portfolio consisting of Stocks 1 and 2 has an expected return of.pdf a) A portfolio consisting of Stocks 1 and 2 has an expected return of.pdf
a) A portfolio consisting of Stocks 1 and 2 has an expected return of.pdf
 
A trunk neural crest stem cell that failed to migrate away from the d.pdf
 A trunk neural crest stem cell that failed to migrate away from the d.pdf A trunk neural crest stem cell that failed to migrate away from the d.pdf
A trunk neural crest stem cell that failed to migrate away from the d.pdf
 
A trequency table of grades has five classes (A, B, C, D, F) with fre.pdf
 A trequency table of grades has five classes (A, B, C, D, F) with fre.pdf A trequency table of grades has five classes (A, B, C, D, F) with fre.pdf
A trequency table of grades has five classes (A, B, C, D, F) with fre.pdf
 
A test is made of H0=6 versus H1=6 Part 03 Part 1 of 3 (a) The t.pdf
 A test is made of H0=6 versus H1=6 Part 03 Part 1 of 3 (a) The t.pdf A test is made of H0=6 versus H1=6 Part 03 Part 1 of 3 (a) The t.pdf
A test is made of H0=6 versus H1=6 Part 03 Part 1 of 3 (a) The t.pdf
 
A test statistic .pdf
 A test statistic .pdf A test statistic .pdf
A test statistic .pdf
 
A sociologist studying freshmen at a major university carried out a s.pdf
 A sociologist studying freshmen at a major university carried out a s.pdf A sociologist studying freshmen at a major university carried out a s.pdf
A sociologist studying freshmen at a major university carried out a s.pdf
 
A system is described by the following differential equation dt4d4y5.pdf
 A system is described by the following differential equation dt4d4y5.pdf A system is described by the following differential equation dt4d4y5.pdf
A system is described by the following differential equation dt4d4y5.pdf
 
A small supermarket shop has a single checkout counter. Customers c.pdf
 A small supermarket shop has a single checkout counter. Customers c.pdf A small supermarket shop has a single checkout counter. Customers c.pdf
A small supermarket shop has a single checkout counter. Customers c.pdf
 
A small supermarket shop has a single checkout counter. Customers com.pdf
 A small supermarket shop has a single checkout counter. Customers com.pdf A small supermarket shop has a single checkout counter. Customers com.pdf
A small supermarket shop has a single checkout counter. Customers com.pdf
 
A small rural county has experienced unprecedented growth over the pa.pdf
 A small rural county has experienced unprecedented growth over the pa.pdf A small rural county has experienced unprecedented growth over the pa.pdf
A small rural county has experienced unprecedented growth over the pa.pdf
 

Recently uploaded

SURVEY I created for uni project research
SURVEY I created for uni project researchSURVEY I created for uni project research
SURVEY I created for uni project research
CaitlinCummins3
 
Poster_density_driven_with_fracture_MLMC.pdf
Poster_density_driven_with_fracture_MLMC.pdfPoster_density_driven_with_fracture_MLMC.pdf
Poster_density_driven_with_fracture_MLMC.pdf
Alexander Litvinenko
 
會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文
會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文
會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文
中 央社
 
會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽
會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽
會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽
中 央社
 

Recently uploaded (20)

Removal Strategy _ FEFO _ Working with Perishable Products in Odoo 17
Removal Strategy _ FEFO _ Working with Perishable Products in Odoo 17Removal Strategy _ FEFO _ Working with Perishable Products in Odoo 17
Removal Strategy _ FEFO _ Working with Perishable Products in Odoo 17
 
SURVEY I created for uni project research
SURVEY I created for uni project researchSURVEY I created for uni project research
SURVEY I created for uni project research
 
Poster_density_driven_with_fracture_MLMC.pdf
Poster_density_driven_with_fracture_MLMC.pdfPoster_density_driven_with_fracture_MLMC.pdf
Poster_density_driven_with_fracture_MLMC.pdf
 
The Ball Poem- John Berryman_20240518_001617_0000.pptx
The Ball Poem- John Berryman_20240518_001617_0000.pptxThe Ball Poem- John Berryman_20240518_001617_0000.pptx
The Ball Poem- John Berryman_20240518_001617_0000.pptx
 
II BIOSENSOR PRINCIPLE APPLICATIONS AND WORKING II
II BIOSENSOR PRINCIPLE APPLICATIONS AND WORKING IIII BIOSENSOR PRINCIPLE APPLICATIONS AND WORKING II
II BIOSENSOR PRINCIPLE APPLICATIONS AND WORKING II
 
會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文
會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文
會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文
 
Graduate Outcomes Presentation Slides - English (v3).pptx
Graduate Outcomes Presentation Slides - English (v3).pptxGraduate Outcomes Presentation Slides - English (v3).pptx
Graduate Outcomes Presentation Slides - English (v3).pptx
 
Capitol Tech Univ Doctoral Presentation -May 2024
Capitol Tech Univ Doctoral Presentation -May 2024Capitol Tech Univ Doctoral Presentation -May 2024
Capitol Tech Univ Doctoral Presentation -May 2024
 
Word Stress rules esl .pptx
Word Stress rules esl               .pptxWord Stress rules esl               .pptx
Word Stress rules esl .pptx
 
When Quality Assurance Meets Innovation in Higher Education - Report launch w...
When Quality Assurance Meets Innovation in Higher Education - Report launch w...When Quality Assurance Meets Innovation in Higher Education - Report launch w...
When Quality Assurance Meets Innovation in Higher Education - Report launch w...
 
Đề tieng anh thpt 2024 danh cho cac ban hoc sinh
Đề tieng anh thpt 2024 danh cho cac ban hoc sinhĐề tieng anh thpt 2024 danh cho cac ban hoc sinh
Đề tieng anh thpt 2024 danh cho cac ban hoc sinh
 
Stl Algorithms in C++ jjjjjjjjjjjjjjjjjj
Stl Algorithms in C++ jjjjjjjjjjjjjjjjjjStl Algorithms in C++ jjjjjjjjjjjjjjjjjj
Stl Algorithms in C++ jjjjjjjjjjjjjjjjjj
 
ĐỀ THAM KHẢO KÌ THI TUYỂN SINH VÀO LỚP 10 MÔN TIẾNG ANH FORM 50 CÂU TRẮC NGHI...
ĐỀ THAM KHẢO KÌ THI TUYỂN SINH VÀO LỚP 10 MÔN TIẾNG ANH FORM 50 CÂU TRẮC NGHI...ĐỀ THAM KHẢO KÌ THI TUYỂN SINH VÀO LỚP 10 MÔN TIẾNG ANH FORM 50 CÂU TRẮC NGHI...
ĐỀ THAM KHẢO KÌ THI TUYỂN SINH VÀO LỚP 10 MÔN TIẾNG ANH FORM 50 CÂU TRẮC NGHI...
 
Improved Approval Flow in Odoo 17 Studio App
Improved Approval Flow in Odoo 17 Studio AppImproved Approval Flow in Odoo 17 Studio App
Improved Approval Flow in Odoo 17 Studio App
 
會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽
會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽
會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽
 
TỔNG HỢP HƠN 100 ĐỀ THI THỬ TỐT NGHIỆP THPT VẬT LÝ 2024 - TỪ CÁC TRƯỜNG, TRƯ...
TỔNG HỢP HƠN 100 ĐỀ THI THỬ TỐT NGHIỆP THPT VẬT LÝ 2024 - TỪ CÁC TRƯỜNG, TRƯ...TỔNG HỢP HƠN 100 ĐỀ THI THỬ TỐT NGHIỆP THPT VẬT LÝ 2024 - TỪ CÁC TRƯỜNG, TRƯ...
TỔNG HỢP HƠN 100 ĐỀ THI THỬ TỐT NGHIỆP THPT VẬT LÝ 2024 - TỪ CÁC TRƯỜNG, TRƯ...
 
How To Create Editable Tree View in Odoo 17
How To Create Editable Tree View in Odoo 17How To Create Editable Tree View in Odoo 17
How To Create Editable Tree View in Odoo 17
 
ANTI PARKISON DRUGS.pptx
ANTI         PARKISON          DRUGS.pptxANTI         PARKISON          DRUGS.pptx
ANTI PARKISON DRUGS.pptx
 
philosophy and it's principles based on the life
philosophy and it's principles based on the lifephilosophy and it's principles based on the life
philosophy and it's principles based on the life
 
Features of Video Calls in the Discuss Module in Odoo 17
Features of Video Calls in the Discuss Module in Odoo 17Features of Video Calls in the Discuss Module in Odoo 17
Features of Video Calls in the Discuss Module in Odoo 17
 

A Stativtics probestoe has obterved that for several years shudents s.pdf

  • 1. A Stativtics probestoe has obterved that for several years shudents soore an average of 106 points out of 150 on the semester exam. A salesman suggests that he try a stassties sohware package thal gets stidents thore lovolved with computers, predicting that a will increase students' scoces. The soffware is expenshe, and the salosman oflers to let the prolfssor use it for a semester io see the scores on the fral evam increase signilicantly. The prolessor will have to poy for the sothware only it he chootes fo continie using it in the trial course that used this sottware, 242 thudents soored an overage of tof point on the final with a standard deviaton of 8.8 points. Cemplete parts a) and b) below. a) Should the poolestor spend the money lor this sufware? Support this reconnendition with an appropriale test Use a =0.05. What are the null and alemative typotheces?