Because of the way the F-distribution is formed,all F-tests are one-tailed tests.

Question

Quizplus · Accepted Answer

F-tests can be either one-tailed or two-tailed depending on the research question and hypothesis being tested. One-tailed tests are used when the research question or hypothesis is directional, while two-tailed tests are used when the hypothesis is non-directional. Therefore, the statement that all F-tests are one-tailed tests is false.

Because of the Way the F-Distribution Is Formed,all F-Tests Are