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G + m Assignment 13e USE u = 0.05 1. A distributor of frozen desert pies wants to evaluate factors thought to influence demand (i.e. number of pies sold). He collects 10 weeks of data on sales volumne, the price, and how much is spent on advertising. .\\ Advertising 1 2 3 4 5 6 7 8 9 9 a a) Considering the model where only the price is used to predict the sales volume, test the model to determine if the model is valid. Be sure to state you null and alternative hypotheses. What is your pvalue? What is your conclusion? As a part of this assignment, submit a copy of your Excel file with this p-value clearly labeled. b) Using this same model, test the slope to determine if it is significant. Be sure to state you null and alternative hypotheses. What is your pvalue? What is your conclusion? As a part of this assignment, submit a copy of your Excel file with this p-value clearly labeled. c) What is the value of the Coefficient of Determination? As a part of this assignment, submit a copy of your Excel file with this value clearly labeled. d) What is the value of the standard error of the estimate? As a part 01 this assignment, submit a copy of your Excel file with this value clearly labeled. 2. Now consider the possibility of using price and advertising to predict the units sold. If you had to pick % variable only, which is a better predictor of the selling price? Why