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David wants to complete a hypothesis test with the least amount of probability for error. if he sets the significance level to 1%, assuming his sample is truly random, what else could he adjust in the test in order to reduce error?

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Below are the choices:

A.He could change the population mean.
B.He could  increase the sample size.
C.He could change the population standard deviation.
D.He could decrease the sample size.

The answer is C.

Jazzkat

The answer is B. He could increase the sample size.

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