Question

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?

Answer 1

Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions.
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. 

Answer 2

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