Which of the following statements is true regarding a hypothesis test on variance that uses the chi-square distribution?
A) The test is valid only for large sample sizes (n ≥ 30).
B) The test statistic will follow a normal distribution only if the underlying population follows a chi-square distribution.
C) The test is valid for any sample size, as long as the underlying population is normal.
D) The test is valid for large sample sizes (n ≥ 30) as long as the underlying population is normal.

Question

Quizplus · Accepted Answer

The chi-square test for variance is valid for any sample size provided the data is drawn from a normally distributed population. This is because the test's validity is based on the assumption of normality, not on the sample size.

Which of the Following Statements Is True Regarding a Hypothesis