Blame doc/examples/statsort.txt

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Original dataset:  17.2, 18.1, 16.5, 18.3, 12.6
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Sorted dataset: 12.6, 16.5, 17.2, 18.1, 18.3
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The median is 17.2
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The upper quartile is 18.1
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The lower quartile is 16.5