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Psychology

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A distribution has a standard deviation of _ _ 12. Find the z-score for each of the following locations in the distribution.
a. Above the mean by 3 points.
b. Above the mean by 12 points.
c. Below the mean by 24 points.
d. Below the mean by 18 points.

  • Psychology -

    Z = (score-mean)/SD

    a. (score-mean) = 3

    Z = 3/12 = ?

    Use similar process for the remaining problems.

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