If a hypothesis test is to be conducted regarding a population variance, then the critical value of the test will be obtained using the:
A) normal distribution
B) t-distribution with n - 1 degrees of freedom
C) chi-square distribution with n - 1 degrees of freedom
D) binomial distribution
E) t-distribution with n + 1 degrees of freedom

Question

Quizplus · Accepted Answer

When conducting a hypothesis test regarding a population variance, we use the chi-square distribution with n-1 degrees of freedom to obtain the critical value of the test.

If a Hypothesis Test Is to Be Conducted Regarding a Population