The interquartile range is the difference between the:
A)largest and smallest numbers in the data set.
B)25th percentile and the 75th percentile.
C)median and the mean.
D)None of these choices.

Question

Quizplus · Accepted Answer

The interquartile range (IQR) is defined as the difference between the 75th percentile (Q3) and the 25th percentile (Q1) of a dataset. Therefore, the correct answer is B, where the interquartile range is the difference between the 25th and 75th percentiles. The largest and smallest numbers in the dataset represent the range. The median and mean measure central tendency.

The Interquartile Range Is the Difference Between The