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Mathematics 16 Online
OpenStudy (anonymous):

What is the interquartile range for this set of data? 11, 19, 35, 42, 60, 72, 80, 85, 88

OpenStudy (amistre64):

find Q1 and Q3, then its a matter of context

OpenStudy (amistre64):

to find a quartile (a quarter of the data) we divide the number of elements by 4 to determine the value of 1q

OpenStudy (amistre64):

then there is some rounding or averaging depending on the value of 1q

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