Which of the following are we unlikely to know when conducting a test of hypothesis in the one sample case?
A)the sample standard deviation
B)the mean of the sample
C)the standard deviation of the population
D)the alpha level

Question

Quizplus · Accepted Answer

Typically, we don't know the standard deviation of the population in the one sample case. We use the sample standard deviation instead to estimate it. We would know the mean of the sample, which is a necessary input for conducting the hypothesis test. We would also know the alpha level, which is a predetermined level of significance chosen by the researcher.

Which of the Following Are We Unlikely to Know When