Author Question: In a hypothesis test for the population variance, the alternate hypothesis is the population ... (Read 114 times)

cherise1989 · **on:** Jun 24, 2018

In a hypothesis test for the population variance, the alternate hypothesis is the population variance does not equal 17.0 . The significance level to be used is 0.05 and the sample size to be taken is 25 . The table value(s) to use from the chi-square distribution is (are):
a. 39.364.
b. 40.647.
c. 12.401 and 39.364.
d. 13.120 and 40.647.
e. 12.401.

Question 2

In testing a population variance or constructing a confidence interval for the population variance, an essential assumption is that:
a. sample size exceeds 30.
b. expected frequencies equal or exceed 5.
c. the population is uniformly distributed.
d. the population is normally distributed.
e. the population is binomially distributed.