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The Cubic Regression Model = B0 + B1x

Question 95

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The cubic regression model The cubic regression model = b<sub>0</sub> + b<sub>1</sub>x + b<sub>2</sub>x<sup>2</sup> + b<sub>3</sub>x<sup>3</sup> allows for one sign change in the slope capturing the influence of x on y. = b0 + b1x + b2x2 + b3x3 allows for one sign change in the slope capturing the influence of x on y.

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