Assume a sample of size n = 12 has been collected.To perform a hypothesis test of a population variance using a 0.05 level of significance,where the null hypothesis is:
H_o: σ² = 25.
The upper tail critical value is 21.92.

Question

Quizplus · Accepted Answer

The upper tail critical value is used when testing a hypothesis about a population variance when the alternative hypothesis is that the variance is greater than the hypothesized value.

Assume a Sample of Size N = 12 Has Been