Ch 12 Statistical Displays Study Guide For Exercises 8 and 9, refer to the histogram. It shows the prices of different calculators. 8. Which price range has the greatest frequency? F. $100-$119 H. $80-$99 $20-$39 $11 G. I. 8. _________________ 9. How many calculators cost $80 or more? 7 6 3 2 A. B. C. D. 9. _________________ The line graph shows the number of band members in a high school for several years. 10. If the trend continues, what is the best prediction for the number of students that will be band members in 2012? F. 25 H. 59 45 100 G. I. 10. ________________ 11. median: _________ 11. The number of toys donated by students in 12 classes is shown below. Find the 1st quartile: _________ measures of variation for the data set. 3rd quartile: 16, 16, 17, 19, 20, 23, 24, 25, 29, 31, 33, 38 _________ Lower extreme: _____ 12. Draw a box plot for the data in Exercise 11. Upper extreme: _____ 12. 13. Jonez surveyed people about their favorite music. The results are shown in the table. Which type of display would be best to show the survey results? 13. ________________
Ch 12 Statistical Displays Study Guide For Exercises 8 and 9, refer to the histogram. It shows the prices of different calculators. 8. Which price range has the greatest frequency? F. $100-$119 H. $80-$99 G. $20-$39 I. $11 9. How many calculators cost $80 or more? A. 7 B. 6 C. 3 D. 2 The line graph shows the number of band members in a high school for several years. 10. If the trend continues, what is the best prediction for the number of students that will be band members in 2012? F. 25 H. 59 G. 45 I. 100 11. The number of toys donated by students in 12 classes is shown below. Find the measures of variation for the data set. 16, 16, 17, 19, 20, 23, 24, 25, 29, 31, 33, 38 12. Draw a box plot for the data in Exercise 11. 13. Jonez surveyed people about their favorite music. The results are shown in the table. Which type of display would be best to show the survey results? 8. _________________ 9. _________________ 10. ________________ 11. median: _________ 1st quartile: _________ 3rd quartile: _________ Lower extreme: _____ Upper extreme: _____ 12. 13. ________________
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