Question: State the quadratic regression equation. Graph the predicted values by the quadratic model on the s Predict the mean weekly sales for a price per

State the quadratic regression equation. Graph the predicted values by the quadratic model on the s Predict the mean weekly sales for a price per package of 79 cents.. Perform the residual analysis for the quadratic and linear models. At the 0.05 level of significance, determine whether the quadratic model is a better fit than a linear mo use t test, p value and slope interval for both models)

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