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22 December, 05:39

A set of data with a mean of 45 and a standard deviation of 8.3 is normally distributed. Find the value that is - 1 standard deviation away from the mean.

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  1. 22 December, 05:59
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    36.7

    Step-by-step explanation:

    If the value is - 1 standard deviation from the mean, the z-score is - 1.

    -1-8.336.7===x1-458.3x1-45x1

    The value 36.7 is - 1 standard deviation from the mean.
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