Question: In a one-sample z-test, the sample mean is 20, the population mean is 28, sample standard deviation is 8, and the sample size is 36.

In a one-sample z-test, the sample mean is 20, the population mean is 28, sample standard deviation is 8, and the sample size is 36. The test value is ___________ Question 13 options: a) 2.5 b) 7.3 c) -0.629 d) -6.0 e) 4.8

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