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Exercise 5 gave the following data on weekly gross revenue, television advertising, and newspaper advertising for Showtime Movie Theaters. Find an estimated regression equation relating
Exercise 5 gave the following data on weekly gross revenue, television advertising, and newspaper advertising for Showtime Movie Theaters.
Find an estimated regression equation relating weekly gross revenue to television and newspaper advertising. Plot the standardized residuals against y-bar. Does the residual plot support the assumptions about ? Explain. Steps using Excel
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