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Six Sigma Lean Green Belt Certification Questions Part 3

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Question : 26

Total: 26

A Linear Regression model shows an R2 (adjusted) of 0.90 and a P-value of 0.002. A Quadratic Regression model of the same data shows an R2 (adjusted) of 0.92 and a P-value of 0.000. What can you conclude?

A linear model would be better than a quadratic model.
A quadratic model would be better than a linear model.
Any non-linear model would fit the data well.
Any linear or non-linear model would fit the data well.
Neither a linear or non-linear model fits the data well.
F. The Residuals would be expected to be large for either a linear or quadratic.

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