How to solve inter quartile range of the given data set? 3,9,12,15,16,18,21 Question How to solve inter quartile range of the given data set? 3,9,12,15,16,18,21 in progress 0 Math Margaret 3 months 2022-02-15T11:57:47+00:00 2022-02-15T11:57:47+00:00 1 Answer 0 views 0

## Answers ( )

Answer:Step-by-step explanation:3,9,12,(15),16,18,21

mean (middle number) = 15

Q1 = 9…..the middle number of the numbers before the mean

Q3 = 18…the middle number of the numbers after the mean

interquartile range (IQR) = Q3 – Q1 = 18 – 9 = 9 <==