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30 March, 20:56

The class average on a math test was 84.5 and the standard deviation was 4.4. Find the z-score for a test score of 94

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  1. 30 March, 21:44
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    The z-score will be given by:

    z = (x-μ) / σ

    given that:

    x=94

    μ=mean=84.5

    σ=standard deviation=4.4

    thus

    z = (94-84.5) / 4.4

    z=2.1591
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