Question: A sample of parts provided the following contingency table data on part quality by production shift. Use = .05 and test the hypothesis that

A sample of parts provided the following contingency table data on part quality by production shift.


A sample of parts provided the following contingency table data


Use α = .05 and test the hypothesis that part quality is independent of the production shift. What is yourconclusion?

Number Good Shift First Second Third 368 285 176 Number Defective 32 15 24

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