Question

What is the interquartile range of the following data set 9,30,2,48,42,18,81,5,55,73,11

Answer 1

46

Explanation:

Arange them in order from least to biggest.

2, 5, 9, 11, 18, 30, 42, 48, 55, 73, 81

median: 30

Quartile 1 median: 9

Q2 median: 55

55-9= 46