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If a Variable Is Normally Distributed with a Hypothesized Mean

Question 16

Multiple Choice

If a variable is normally distributed with a hypothesized mean (μ) of 26 and a standard deviation (σ) of 7, what is the z-score for a raw score (X) of 21?


A) z = .71
B) z = -.71
C) z = .90
D) z = 1.57

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