Question: You used sales and orders to predict distribution cost (stored in Ware cost). Develop a regression model to predict distribution cost that includes sales, orders,

You used sales and orders to predict distribution cost (stored in Ware cost). Develop a regression model to predict distribution cost that includes sales, orders, and the interaction of sales and orders.
a. At the 0.05 level of significance, is there evidence that the interaction term makes a significant contribution to the model?
b. Which regression model is more appropriate, the one used in (a) or the one used in Problem 14.4? Explain.
For Information: Problem 14.4

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a where X 1 sales X 2 orders X 3 X 1 X 2 For X 1 X 2 the pvalue is 032... View full answer

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