Normally this is a very easy task, but i just can't get this one right.(adsbygoogle = window.adsbygoogle || []).push({});

the data set is 14

14

14

15

15

15

15

15

15

16

16

16

16

16

16

17

17

17

18

25

And i get Q1 and Q2 right at 15 and 16, but i keep getting the upper quartile as 17, when it is meant to be 16.5. Can anyone help me as to how to get this answer?

Thanks

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# Upper Quartile

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