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(7 points) An Izod impact test was performed on 20 specimens of PVC pipe. The sample mean is 1.25 and the sample standar
Posted: Thu Apr 28, 2022 7:31 am
by answerhappygod
- 7 Points An Izod Impact Test Was Performed On 20 Specimens Of Pvc Pipe The Sample Mean Is 1 25 And The Sample Standar 1 (51.06 KiB) Viewed 39 times
(7 points) An Izod impact test was performed on 20 specimens of PVC pipe. The sample mean is 1.25 and the sample standard deviation is 0.25. 1 E 3770 Spring 2022 a) Conduct a two-sided test of the hypothesis that the population s.d. is 0.10, using a 0.1 level of significance. State the null and alternate hypotheses, identify the rejection and FTR regions (as inequalities, on a graph, or both), compute the test statistic, report the conclusion of the test, and interpret the conclusion in plain English. (5 points) b) What is the p-value for this test? (2 points)