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3 June, 08:21

Suppose you did a survey of male shoes size and the mean of that survey was size 10.5 with a standard deviation of 1.5. What is the z-score of a size of 8.5?

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  1. 3 June, 08:26
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    Z (x) = (x - μ ) / σ

    μ = 10.5

    σ = 1.5

    =>

    Z (8.5) = (8.5-10.5) / 1.5

    =-2/1.5

    =-1.333
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