A company's trainees are randomly assigned to groups which are taught a certain industrial inspection procedure by three different methods: At the end of the instructing period they are tested for inspection performance quality. The following are their scores. Method A: 80, 83, 79, 85, 90, 68 Method B: 82, 84, 60, 72, 86, 67,91 Method C: 93, 65, 77, 78, 88. Use the H test to determine at the 0.05 level of significance whether the three methods are equally effective.

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Chapter1: Starting With Matlab
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A company's trainees are randomly assigned
groups which are taught a certain industrial inspection
procedure by three different methods: At the end of the instructing period they are tested for
inspection performance quality. The following are their scores.
Method A: 80, 83, 79, 85, 90, 68 Method B: 82, 84, 60, 72, 86, 67,91
Method C: 93, 65, 77, 78, 88.
Use the H test to determine at the 0.05 level of significance whether the three methods are equally
effective.
Transcribed Image Text:A company's trainees are randomly assigned groups which are taught a certain industrial inspection procedure by three different methods: At the end of the instructing period they are tested for inspection performance quality. The following are their scores. Method A: 80, 83, 79, 85, 90, 68 Method B: 82, 84, 60, 72, 86, 67,91 Method C: 93, 65, 77, 78, 88. Use the H test to determine at the 0.05 level of significance whether the three methods are equally effective.
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