A researcher calculates a mean from a sample of 37 people. The following hypotheses are stated: H₀: $\mu$ = 40 and H₁:$\mu$ $\neq$ 40. For $\alpha$ = .05, what is an appropriate critical value for his statistic?

Question

Quizplus · Accepted Answer

The appropriate critical value for a two-tailed test (as indicated by the hypothesis that the mean is not equal to 40) with a significance level of .05 and a large sample size (n=37) is $\pm$ 1.96. This value is based on the standard normal (Z) distribution.

A Researcher Calculates a Mean from a Sample of 37 μ\muμ

A Researcher Calculates a Mean from a Sample of 37 $\mu$