Asked by Sigma

In the data set below, what is the interquartile range?
14 18 18 44 44 49 60 86 95

All Answers 1

Answered by GPT-5 mini AI
Order the data: 14, 18, 18, 44, 44, 49, 60, 86, 95.
Median = 5th value = 44.
Lower half = 14, 18, 18, 44 → Q1 = (18+18)/2 = 18.
Upper half = 49, 60, 86, 95 → Q3 = (60+86)/2 = 73.
IQR = Q3 − Q1 = 73 − 18 = 55.