A sample is obtained from a population with a mean of 50 and standard deviation of 8. Which of the following samples would produce the most extreme z score (farthest from zero)?
a. a sample of 4 scores with a mean of 52
b. a sample of 16 scores with a mean of 52
c. a sample of 4 scores with a mean of 54
d. a sample of 16 scores with a mean of 54
Ans: D
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