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### Stats

1. 1. Jeopardy Mean, Median, Mode and Range Box and Whisker Plots Histograms Final Jeopardy Stem and Leaf Plots Analyzing Data \$100 \$200 \$300 \$400 \$500 \$100 \$100 \$100 \$100 \$200 \$200 \$200 \$200 \$300 \$300 \$300 \$300 \$400 \$400 \$400 \$400 \$500 \$500 \$500 \$500
2. 2. What is the lower quartile for this set of data? A. 50 B. 91 C. 130 D. 157 E. 210 \$ 100 Click my picture to see the answer
3. 3. The lower quartile is (B) 91 A. 50 B. 91 C. 130 D. 157 E. 210 Click my picture to return to the Jeopardy Game Board \$ 100
4. 4. What is the mode number of pets in this set of data? frequency \$ 200 Click my picture to see the answer
5. 5. The mode for this set of data is 1 pet. There were four students that only had one(1) pet. \$ 200 Click my picture to return to the Jeopardy Game Board frequency
6. 6. What is the range of pets for this set of data? \$ 300 Click my picture to see the answer frequency
7. 7. The range is the difference between the highest number and the lowest number. 14 - 0 = 14 The range is 14. \$ 300 Click my picture to return to the Jeopardy Game Board frequency
8. 8. The following were Janelle’s 8 quiz scores: 22 24 24 26 27 27 29 30 Janelle thought her median was 26 Jimmy thought her median was 26.5 And June thought her median was 27 Who was right, and why? \$ 400 Click my picture to see the answer
9. 9. The following were Janelle’s 8 quiz scores: 22 24 24 26 27 27 29 30 The median splits the data exactly in half. If you put four(4) numbers on each side of the median, it would be in-between 26 and 27. Jimmy was right, the median is 26.5 \$ 400 Click my picture to return to the Jeopardy Game Board
10. 10. What is the sum of the mean, median, and mode for the following set of data? 15 11 7 2 15 \$ 500 Click my picture to see the answer
11. 11. 2 7 11 15 15 Mean = 50 ÷ 5 =10 Median =11 Mode =15 Sum = 36 \$ 500 Click my picture to return to the Jeopardy Game Board What is the sum of the mean, median, and mode for the following set of data?
12. 12. Approximately what is the range of weekly incomes? A. \$130 B. \$70 C. \$120 D. \$160 E. \$190 \$ 100 Click my picture to see the answer
13. 13. (C) 190 - 70 = \$120 \$ 100 Click my picture to return to the Jeopardy Game Board
14. 14. What are the values of the outliers? \$ 200 Click my picture to see the answer Quiz Scores
15. 15. Outliers are pieces of data that are significantly larger or significantly smaller than the majority of the data. The two outliers are 9 and 10 for the 2nd period class. \$ 200 Click my picture to return to the Jeopardy Game Board Quiz Scores
16. 16. Which two class periods have identical upper quartiles? \$ 300 Click my picture to see the answer Quiz Scores
17. 17. 1st period and 2nd period have identical upper quartiles of 18.5. \$ 300 Click my picture to return to the Jeopardy Game Board Quiz Scores
18. 18. If the median for this set of data is 83.5, what is the lower quartile? 70 72 74 76 78 80 82 84 86 88 90 92 \$ 400 Click my picture to see the answer Median
19. 19. 70 72 74 78 80 82 84 86 88 90 92 There are 6 data points below the median. The lower quartile is between the 3rd point (75) and the 4th point (79). Therefore the LQ is 77. 76 LQ = 77 median \$ 400 Click my picture to return to the Jeopardy Game Board
20. 20. Why does 5th period appear to not have an upper whisker? \$ 500 Click my picture to see the answer Quiz Scores
21. 21. The reason why the upper whisker seems to have disappeared is that all scores in that whisker are the same value as the upper quartile (20). \$ 500 Click my picture to return to the Jeopardy Game Board Quiz Scores
22. 22. How many students were surveyed in this poll? \$ 100 Click my picture to see the answer
23. 23. 13 Students \$ 100 Click my picture to return to the Jeopardy Game Board
24. 24. What is the median for this set of data? \$ 200 Click my picture to see the answer
25. 25. There are 22 pieces of data. If you count in 11 from both ends, you will end up with 2 middle numbers, 15 and 17 . Half way between them is the median, 16 . \$ 200 Click my picture to return to the Jeopardy Game Board
26. 26. How many students live more than 10 miles from school? \$ 300 Click my picture to see the answer
27. 27. 9 students live more than 10 miles from school? \$ 300 Click my picture to return to the Jeopardy Game Board
28. 28. What is the upper quartile for this set of data? \$ 400 Click my picture to see the answer
29. 29. The upper quartile is 21. median Upper quartile \$ 400 Click my picture to return to the Jeopardy Game Board
30. 30. What is the range for this set of data? \$ 500 Click my picture to see the answer Weekly Salaries
31. 31. By using the key, you can see that the maximum salary is \$197 and the minimum salary is \$100. The salary range is \$197 - \$100 = \$97. \$ 500 Click my picture to return to the Jeopardy Game Board Weekly Salaries
32. 32. How many students scored 85% or higher on the semester test? \$ 100 Click my picture to see the answer
33. 33. 5 10 12 27 \$ 100 Click my picture to return to the Jeopardy Game Board
34. 34. How many students scored between 14 and 18 on the Proportions/ Rates Quiz? \$ 200 Click my picture to see the answer
35. 35. 15 + 23 = 38 \$ 200 Click my picture to return to the Jeopardy Game Board
36. 36. When doing homework, which time interval contained exactly 15 students? Number of Minutes Spent on Homework How many minutes students spend on homework \$ 300 Click my picture to see the answer
37. 37. Number of Minutes Spent on Homework How many minutes students spend on homework 15 Students spent 200 to 239 minutes or 200 to 240 minutes studying homework. \$ 300 Click my picture to return to the Jeopardy Game Board
38. 38. How many students took the semester test? \$ 400 Click my picture to see the answer
39. 39. 6 + 5 + 12 + 14 + 13 + 6 + 7 + 10 + 5 + 10 + 12 = 100 \$ 400 Click my picture to return to the Jeopardy Game Board
40. 40. Quickly sketch in the histogram for the data in the chart. \$ 500 Click my picture to see the answer Minutes watching TV 50 60 70 80 90 100 5 10 15
41. 41. 8 7 13 10 12 \$ 500 Click my picture to return to the Jeopardy Game Board Minutes watching TV Frequency 50 60 70 80 90 100 5 10 15
42. 42. Plane Flights There are 96 plane flights in this set of data. How many flights are above the median? \$ 100 Click my picture to see the answer
43. 43. Half of the flights are above the median. Therefore half of 96 flights are above the median. Half of 96 is 48. There are 48 flights above the median. \$ 100 Click my picture to return to the Jeopardy Game Board
44. 44. Which colored plane shows the most consistent flights? \$ 200 Click my picture to see the answer
45. 45. The Salmon plane has the smallest range. If you ignored the outliers, the Green plane would have been the most consistent. \$ 200 Click my picture to return to the Jeopardy Game Board
46. 46. There are 3 distinct clusters of information in this line plot. Give the maximum and minimum of each “cluster”. \$ 300 Click my picture to see the answer Students’ Swimming During June
47. 47. The clusters of information are: 1 to 4, 8 to 13, and 15 to 20. } } } \$ 300 Click my picture to return to the Jeopardy Game Board Students’ Swimming During June
48. 48. The upper quartile for this set of data is 21. If there are 40 students in this class, how many students scored above 21 on the quiz? \$ 400 Click my picture to see the answer
49. 49. Each section on a box plot contains 1/4 of the data. 1/4 of 40 is ten. Therefore there are 10 students who scored above the upper quartile of 21. 10 students 10 students 10 students 10 students \$ 400 Click my picture to return to the Jeopardy Game Board
50. 50. Plane Flights What percent of the data is above the lower quartile? \$ 500 Click my picture to see the answer
51. 51. A box plot is divided into 4 equal sections. Each section contains 25% of the data. Therefore 75% of the data is located above the lower quartile. \$ 500 Click my picture to return to the Jeopardy Game Board
52. 52. FINAL JEOPARDY!! For your Final Jeopardy question, you may risk \$0 up to the total amount of money accumulated. Write down how much you want to risk. Click my picture to see the FINAL JEOPARDY question.
53. 53. Final Jeopardy Jen wants to average 92% on her 5 math tests. After taking 4 tests, her average is 90%. What does she need to score on her 5th test so that she averages 92% overall? Click my picture to see the answer
54. 54. Final Jeopardy Answer Click my picture to return to the Jeopardy Game Board To average 90% on 4 tests means the total number of points accumulated is 90 x 4 or 360 points. To average 92% on 5 tests means the total number of points accumulated is 92 x 5 or 460 points. Since 460-360 = 100, Jen must get 100% or 100 points on the 5th test to average 92%.