Question

The entertainment section of the local magazine needs to know the number of movies showing dally in nearby theaters.

This box-and-whisker plot shows the results.
Movies shown daily at theaters
Find the interquartile range.
Answer:

Answer 1

The interquartile range is the difference between the upper quartile and the lower quartile.

• The upper quartile is the line that is on number 22 on the number line
• The lower quartile is the line that is on number 16 on the number line

22-16 = 6 and that’s your IQR!