If a Hypothesis Test for a Single Population Variance Is

Multiple Choice

If a hypothesis test for a single population variance is to be conducted, which of the following statements is true?

A) The null hypothesis must be stated in terms of the population variance.
B) The chi-square distribution is used.
C) If the sample size is increased, the critical value is also increased for a given level of statistical significance.
D) All of the above are true.