Assuming That the Population Mean Is 47

question 134

Multiple Choice

Assuming that the population mean is 47.2 and the population deviation is 6.4, what is the z obt value for a sample mean of 52.1 if N = 8?

• A) 1.96
• B) 2.17
• C) 1.73
• D) 0.77

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Definitions:

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