When comparing the variances of two normally distributed populations using independent random samples,the correct test statistic to use is __________.
A)Z
B)t
C)F
D)Chi-square
E)None of the above

Question

Quizplus · Accepted Answer

When comparing the variances of two normally distributed populations using independent random samples, the correct test statistic to use is the F-test. The F-test compares the ratios of the sample variances and follows an F-distribution. Z and t-tests are used for comparing means, while the chi-square test is used for testing categorical data.

When Comparing the Variances of Two Normally Distributed Populations Using