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31 July, 21:44

The mean for your data set is 13. The standard deviation is 2.5. What is the z-score for 10? Note 1: If necessary, round your answer to 3 decimal places

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  1. 31 July, 23:47
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    Z-score is given by the formula:

    z = (x-μ) / σ

    where:

    μ-mean

    σ-standard deviation

    thus the z-score for the data set with mean 13 and standard deviation of 2.5 will be:

    z = (10-13) / 2.5

    z=-1.2
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