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6 June, 16:41

A set of data with a mean of 45 and a standard deviation of 8.3 is normally distributed. Find the value that is - 2 standard deviations away from the mean.

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  1. 6 June, 17:01
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    45+8.3 = 53.3

    45 - (2 (8.3)) = 28.4

    The value is 28.4 that is - 2 standard deviations away from the mean.
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