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2 April, 18:36

What is the first quartile, Q1, of the data set?

{23, 28, 28, 36, 56, 60, 61, 65, 70}

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  1. 2 April, 21:13
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    It is 28 because you have to take the median out then go to the first set of data and find the median of that.
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