The ____________ is the hypothesis-testing procedure used when there is more than one individual in the study's sample and the population variance is known.

Question

Quizplus · Accepted Answer

The Z test is used when the sample size is larger than 30 and the population variance is known. It is used to test hypotheses about population means. Option B) F test is used for testing hypotheses about variances of two populations. Option C) T test is used when the population variance is unknown or very small sample sizes. Option D) K test is not a commonly used hypothesis-testing procedure.

The ____________ Is the Hypothesis-Testing Procedure Used When There Is