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A distribution has a SD of 8. Find the z-score for Above the mean by 4 points.... What formula would I use?

2 Answers

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  • Anonymous
    1 decade ago
    Favorite Answer

    z = (x-bar - mu) / sigma

  • 1 decade ago

    z=value-mean divided by standard deviation

    the z score represents the number of standard deviations that a data value falls above or below the mean

    i hated statistics good luck honey!

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