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    Exam 10: Only the Lonely: The One Sample Z-Test
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    If Your Sample Mean Is 20, Your Population Average Is
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If Your Sample Mean Is 20, Your Population Average Is

Question 57

Question 57

Multiple Choice

If your sample mean is 20, your population average is 10, and your standard error of the mean is 2, what is your observed z value?


A) −5
B) 5
C) 0
D) 50

Correct Answer:

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