An experiment is designed to determine the effect of four different types of tips in a hardness tester on the observed hardness of a metal alloy. Four specimens of the alloy were obtained, and each tip was tested once on each specimen, producing the following data: Specimen Туре of Tip 1 3 4 9,3 9,4 9,2 9,7 9,4 9,3 9,4 9,6 9,6 9,8 9,5 10 9,9 3 9,7 10,2 10 What is your conclusion about this test at 0.05 level of significance? O a. There is no difference between four specimens of the alloy. O b. At least one specimens of the alloy is different. 685O
An experiment is designed to determine the effect of four different types of tips in a hardness tester on the observed hardness of a metal alloy. Four specimens of the alloy were obtained, and each tip was tested once on each specimen, producing the following data: Specimen Туре of Tip 1 3 4 9,3 9,4 9,2 9,7 9,4 9,3 9,4 9,6 9,6 9,8 9,5 10 9,9 3 9,7 10,2 10 What is your conclusion about this test at 0.05 level of significance? O a. There is no difference between four specimens of the alloy. O b. At least one specimens of the alloy is different. 685O
Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter29: Tolerance, Clearance, And Interference
Section: Chapter Questions
Problem 16A: Spacers are manufactured to the mean dimension and tolerance shown in Figure 29-12. An inspector...
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