Find part quality is independent of the production shift

Reference no: EM13142325

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

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

Use α =.05 to determine whether part quality is independent of the production shift. What is your conclusion?

Reference no: EM13142325

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