Interquartile range

12 questions

1. Anything below the __________ represents 75% of the data.
2. Anything below the lower quartile represents what percentage of the data?
3. What is the range of the middle 50% of data?
4. A wider box indicates data that is ___ consistent.
5. Which class did better on average?
6. Which class' scores were more consistent?
7. Which of the following describe the interquartile range?
8. What is the interquartile range of the data represented on this box plot?
9. Calculate the interquartile range from this cumulative frequency graph.
10. What is the interquartile range of this set of data? 17, 13, 19, 21, 13, 14.
11. This table shows information about the heights of some year 7 and 11 pupils. Compare their heights by selecting the most useful statement.
12. This table shows information about the times some children and adults take to complete a puzzle. Compare their times by selecting the most useful statement.

License: OGL