kcomp14 kcomp14

02-02-2020
Mathematics

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How to solve inter quartile range of the given data set? 3,9,12,15,16,18,21

Respuesta :

texaschic101 texaschic101

02-02-2020

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 <==

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