A sample with a mean of M 5 50 and a standard deviation of s 5 12

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A sample with a mean of M 5 50 and a standard deviation of s 5 12 is being transformed into z-scores. After the transformation, what is the standard deviation for the sample of z-scores?

a. 0

b. 1

c. n 2 1

d. n

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Ali Khawaja

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