The __________ is a hypothesis-testing procedure used when a sample mean is being compared to a known population mean and the population variance is unknown.
A)ANOVA
B)t test for a single sample
C)t test for multiple samples
D)Z test

Question

Quizplus · Accepted Answer

The t test for a single sample is specifically designed for situations when the population variance is unknown and a sample mean is being compared to a known population mean. ANOVA and the t test for multiple samples are not appropriate for this scenario, and the Z test assumes that the population variance is known, which is not the case here.

The __________ Is a Hypothesis-Testing Procedure Used When a Sample