Hypothesis tests for a mean using the critical value method require:
A)using a two-tailed test.
B)sampling a normal population.
C)knowing the true population mean.
D)specifying α in advance.

Question

Quizplus · Accepted Answer

Hypothesis tests for a mean using the critical value method require specifying α in advance. The other options are not necessarily required. It can be a one-tailed or two-tailed test, the population does not have to be normal, and knowing the true population mean is usually not possible.

Hypothesis Tests for a Mean Using the Critical Value Method