Asked by PLEASE ANSWER

Marco is analyzing sales data from the week and writes down the numbers shown
10,12,15,6,20,13,17
what is the interquartile range ?

Answers

Answered by John
10 Put the data in order

6 7 10 12 13 15 17 20

Median is 12.5
Quartiles are 1/2 way between the
median and the ends of the data.

The first quartile is between 7 and 10 so that is 17/2 = 8.5

The third quartile is between 15 and 17 which is 16.

The interquartile range is 16-8.5 = 7.5
Answered by PLEASE ANSWER
There is no 7, I'm sorry, but where did you get seven? I'm confused.
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