The generation of a Regression Equation is justified when we _____________. (Note: There are 4 correct answers).
Select all that apply, then click Submit answer.
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Expect the relationship to be Linear between the output and inputs
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Know that there is a non-linear relationship between output and input(s)
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Need to understand how to control a process output by controlling the input(s)
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Experience several process defects and have no other way to fix hem
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When it is very expensive or too late to measure the output