SOLUTION: If the sample mean is 10, the hypothesized population mean is 9, and the population standard deviation is 4, compute the test value needed for the z test. A) 0.25 B) 1.

Question 455855: If the sample mean is 10, the hypothesized population mean is 9, and the population standard deviation is 4, compute the test value needed for the z test.
A) 0.25
B) 1.00
C) �1.00
D) �0.25

Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
If the sample mean is 10, the hypothesized population mean is 9, and the population standard deviation is 4, compute the test value needed for the z test.
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z(10) = (10-9)/4 = 1/4 = 0.25
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Cheers,
Stan H.
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A) 0.25
B) 1.00
C) �1.00
D) �0.25

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