Ch 12 Statistical Displays Study Guide, Form 2B Write the letter for the correct answer in the blank at the right of each question. For Exercises 1-4, use the following line plot that shows the number of jumping jacks students completed in 30 seconds. What is the mean, median and mode of the data? Round to the nearest tenth if 1. needed. 1. ____________ 2. What is the peak and gap in the data? 2. ____________ 3. What would you use to describe the center of the data? A. mean B. median C. mode D. range 3. ____________ 4. What would you use to describe the spread of the data? F. interquartile range H. gap G. range I. mean absolute deviation 4. ____________ Which of the following is an appropriate display to show the average price of a 5. postage stamp over the last 20 years? A. line graph C. circle graph B. bar graph D. histogram 5. ____________ For Exercises 6-8, use the box plot. It shows the number of days on the market for single family homes in a city. 6. What is the median of the data? F. 30 G. 40 H. 90 I. 120 6. ____________ 7. What percent of the homes were on the market less than 90 days? A. 0% B. 25% C. 50% D. 75% 7. ____________ 8. What is the range and interquartile range of the data? 8. ____________
Ch 12 Statistical Displays Study Guide, Form 2B Write the letter for the correct answer in the blank at the right of each question. For Exercises 1-4, use the following line plot that shows the number of jumping jacks students completed in 30 seconds. 1. What is the mean, median and mode of the data? Round to the nearest tenth if needed. 2. What is the peak and gap in the data? 3. What would you use to describe the center of the data? A. mean B. median C. mode D. range 4. What would you use to describe the spread of the data? F. interquartile range H. gap G. range I. mean absolute deviation 5. Which of the following is an appropriate display to show the average price of a postage stamp over the last 20 years? A. line graph C. circle graph B. bar graph D. histogram For Exercises 6-8, use the box plot. It shows the number of days on the market for single family homes in a city. 6. What is the median of the data? F. 30 G. 40 H. 90 I. 120 7. What percent of the homes were on the market less than 90 days? A. 0% B. 25% C. 50% D. 75% 8. What is the range and interquartile range of the data? 1. ____________ 2. ____________ 3. ____________ 4. ____________ 5. ____________ 6. ____________ 7. ____________ 8. ____________
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