Question

Find the interquartile rang for the data set:10,3,8,6,9,12,13

Answer 1

Interquartile range = 6!

Explanation:

3, 6, 8, 9, 10, 12, 13

Median: 9

Lower Quartile (Q1): 6

Upper Quartile (Q2): 12

Interquartile range: Upper quartile - Lower quartile = answer

(IQR) Interquartile Range: 12 - 6 = 6

Answer 2

6 is the first quartile, 9 is the interquartile, 12 is second