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2 votes
These data show the age in years of 9 members of the youth orchestra.

12     14     16     17.5     10     18     15     15.5     19
What is the IQR (interquartile range) for these data?

2 Answers

4 votes
10.2 the sales tax minus 16.99 then divided by 16.99
User Spaghettifunk
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5 votes
First quartile is 13
Third quartile is 17.75
Take 17.75 - 13 = 4.75
The IQR is 4.75
User Brymck
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8.7k points