Author Question: Assume a sample of size n = 12 has been collected. To perform a hypothesis test of a population ... (Read 39 times)

xroflmao · **on:** Jun 24, 2018

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:H0 : 2 = 25 The upper tail critical value is 21.92.

Indicate whether the statement is true or false

Question 2

The variance in the diameter of a bolt should not exceed 0.500 mm. A random sample of n = 12 bolts showed a sample variance of 0.505 mm. The test statistic is 2 = 11.11.

Indicate whether the statement is true or false