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    standard scores

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    Consider a normal population with µ = 25 and Ï? = 8.0.
    (A) Calculate the standard score for a value x of 23.
    (B) Calculate the standard score for a randomly selected sample of 45 with X(line on top)= 23.
    (C) Explain why the standard scores of 23 are different between A and B above.

    © BrainMass Inc. brainmass.com October 10, 2019, 2:37 am ad1c9bdddf
    https://brainmass.com/math/discrete-structures/standard-scores-385809

    Solution Preview

    (A) z = (x- mu)/sigma = (23 - 25)/8 = -0.25

    (B) z = (x-bar - ...

    Solution Summary

    Calculate the standard scores in this case.

    $2.19