Question: Consider a normal population with 24.7 and 4.5. a. Calculate the z-score for an x of 21.5. b. Calculate the z-score

Consider a normal population with   24.7 and   4.5.

a. Calculate the z-score for an x of 21.5.

b. Calculate the z-score for an x of 21.5 from a sample of size 25.

c. Explain how 21.5 can have such different z-scores.

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