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An instructor transforms her students' scores on a midterm into standardized (z) scores. The distribution of standardized scores ___. a. is not necessarily symmetrical b.

An instructor transforms her students' scores on a midterm into standardized (z) scores. The distribution of standardized scores ___.

a. is not necessarily symmetrical

b. consists of an infinite number of scores

c. has a mean of one standard deviation of the mean

d. has a standard deviation of one standard deviation of the mean

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