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30 October, 23:24

Find the variance of the given data rounded to the nearest hundredth 3,4,5,7,10,12,15

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  1. 31 October, 01:38
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    (3 + 4 + 5 + 7 + 10 + 12 + 15) / 7 = 8

    (3^2 + 4^2 + 5^2 + 7^2 + 10^2 + 12^2 + 15^2) / 7 - 8^2 = 17.14285714
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