Question

Find the interquartile range of the data. 19, 11, 15, 10, 20, 15, 28, 22, 17 IQR​

Answer 1

Interquartile Range: 8

Explanation:

25th Percentile: 13

50th Percentile: 17

75th Percentile: 21

So the answer must be 8

Hope this helps :)