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    Exam 10: Only the Lonely: the One Sample Z-Test
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    If the Sample Mean Is 30,the Population Average Is 10,and
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If the Sample Mean Is 30,the Population Average Is 10,and

Question 24

Question 24

Multiple Choice

If the sample mean is 30,the population average is 10,and the standard error of the mean is 5,what is the observed z value?


A) 6
B) -2.5
C) 20
D) 4

Correct Answer:

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