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10 October, 19:36

The program reports a mean of 31.5 and a standard deviation of 2.5. What is the variance of the data? Round to the nearest tenth.

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  1. 10 October, 20:07
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    Variance = square of standard deviation

    Variance = (2.5) ^2 = 6.25 = 6.3 to the nearest tenth.
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