Question

The following two statements refer to comparing a sample average to a population average.
I. You want to compare a sample average to a population average. The test you select depends upon the size of the sample population.
II. You are comparing a sample average to a population average. A Z-score of 2.08 is obtained. This means that the observed difference between the two averages is real and meaningful and not due to chance.
Which, if any, of these statements is (are) true?
A) I only
B) II only
C) I and II are both true
D) Neither I nor II are true

Answer

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