Question

Find the interquartile range of the data displayed in the
box plot shown.

Answer 1

The interquartile range is 6.

all you have to do is find the range of where that rectangle starts and ends, so 9-3=6. hope that helps :)

Answer 2

6.

The upper quartile is at 9. The lower quartile is at 3. The inner quartile range is the difference of those 2 numbers. 9-3=6