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Raina Bernard
Mathematics
4 February, 10:37
How do you find the first quartile?
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Jonathan Gay
4 February, 10:41
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The first quartile, denoted by Q1, is the median of the lower half of the data set. This means that about 25% of the numbers in the data set lie below Q 1 and about 75% lie above Q 1. The third quartile, denoted by Q3, is the median of the upper half of the data set.
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