Question

You run some sample data and are comparing your sample mean to a published population mean....

You run some sample data and are comparing your sample mean to a published population mean. Can you use a z-test in order to test for significance?

Group of answer choices

A. No, you would never use the z-test for this situation.

B. No, you must always use a t-test with population means.

C. Yes, no matter what statistics you have available.

D. Yes, but only if you have the population standard deviation.

Math   Statistics-And-Probability   
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