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Chapter 13 Test Review

Chapter 13 Test Review. Statistics Review MGF 1106 Fall 2011. 20, 25, 25, 29, 31. Determine the following for the data listed above:. Mean Mode Range Median Midrange. 25.5, 25, 51, 25, 26 26, 51, 25.5, 25, 11 26, 25, 11, 25, 25.5 26, 11, 25, 25, 25.5. 20, 25, 25, 29, 31.

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Chapter 13 Test Review

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  1. Chapter 13 Test Review Statistics Review MGF 1106 Fall 2011

  2. 20, 25, 25, 29, 31 Determine the following for the data listed above: Mean Mode Range Median Midrange 25.5, 25, 51, 25, 26 26, 51, 25.5, 25, 11 26, 25, 11, 25, 25.5 26, 11, 25, 25, 25.5

  3. 20, 25, 25, 29, 31 What is the standard deviation for the data above? 26 4.24 18 3.96

  4. 5 9 14 20 27 327 11 15 23 28 347 12 17 23 29 358 14 18 24 30 359 14 18 25 30 375 9 14 20 27 327 11 15 23 28 347 12 17 23 29 358 14 18 24 30 359 14 18 25 30 37 Use the set of data to construct a frequency of distribution; let the first class be 5-10. • A. B. C. D.

  5. 5 9 14 20 27 327 11 15 23 28 347 12 17 23 29 358 14 18 24 30 359 14 18 25 30 375 9 14 20 27 327 11 15 23 28 347 12 17 23 29 358 14 18 24 30 359 14 18 25 30 37 Use the set of data to construct a histogram of the frequency of distribution. • A. B. C.

  6. 5 9 14 20 27 327 11 15 23 28 347 12 17 23 29 358 14 18 24 30 359 14 18 25 30 375 9 14 20 27 327 11 15 23 28 347 12 17 23 29 358 14 18 24 30 359 14 18 25 30 37 Use the set of data to construct a frequency polygon of the frequency of distribution. • A. B. C.

  7. The following data represents Algebra II test scores. What is the most common score? 81 83 80 95

  8. The following data represents Algebra II test scores. What score did half of the students exceed? 81 83 80 95

  9. The following data represents Algebra II test scores. About what percent of students’ grades exceeded 89? 25 50 75 100

  10. The following data represents Algebra II test scores. About what percent of students’ grades were less than 95? 5 90 60 95

  11. The following data represents Algebra II test scores. If there are 100 students enrolled in Algebra II, what would be the total of all the scores? 81 8300 8100 8000

  12. The following data represents Algebra II test scores. What test score represents one standard deviation above the mean? 81 90 9 72

  13. The following data represents Algebra II test scores. What test score represents 1.5 standard deviations below the mean? 81 90 67.5 72.5

  14. The average price for a medium cup of coffee in Center Town is normally distributed with a mean of $1.97 and a standard deviation of $0.23. What percent of cups of coffee sold were between $1.75 and $2.15? 16% 78% 61% 95%

  15. The average price for a medium cup of coffee in Center Town is normally distributed with a mean of $1.97 and a standard deviation of $0.23. What percent of cups of coffee were sold for greater than $1.50? 98% 2% 20% 47%

  16. The average price for a medium cup of coffee in Center Town is normally distributed with a mean of $1.97 and a standard deviation of $0.23. What percent of cups of coffee were sold for greater than $2.00? 55% 1% 45% 3%

  17. The average price for a medium cup of coffee in Center Town is normally distributed with a mean of $1.97 and a standard deviation of $0.23. What percent of cups of coffee were sold for less than $2.00? 84% 10% 16% 90%

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