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    Exam 6: Z-Scores and the Normal Curve
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    The Sample Mean for a Recent Introductory Psychology Test Was
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The Sample Mean for a Recent Introductory Psychology Test Was

Question 30

Question 30

Multiple Choice

The sample mean for a recent introductory psychology test was 78 and the sample variance was 9.Approximately what proportion of the scores was above 81?


A) 0.50
B) 0.68
C) 0.16
D) 0.34

Correct Answer:

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