26. Suppose a research has a sample of 5 from a population with unknown standard

Question

26. Suppose a research has a sample of 5 from a population with unknown standard deviation but a known mean. What approach should be used to test if the sample actually comes from the population?

A.

Use a z-score and assume that that data is normal

B.

Use a t-score but do not worry if the data is normal since the sample is sufficiently small to assume normality.

C.

Use an f-score and assume the data is skewed

D.

Use a t-score but test the data to determine if the data can reasonably be assumed normal.

Explanation / Answer

B.

Use a t-score but do not worry if the data is normal since the sample is sufficiently small to assume normality.

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