Set 1: 21, 24, 36, 38, 40, 42, 44, 63, 85
Lower quartile = 30
Median = 40
Upper quartile = 53.5
Find the interquartile range for each set of data. Note
which interquartile range shows a larger spread of data
near the median.
Set 1
Interquartile range =
Set 2
Interquartile range =
Set 2:0, 4, 10, 16, 28, 50, 72, 100
Lower quartile = 7
Median = 22
Upper quartile = 61

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