Question

18 HW Regression 1. The sales manager of a large sporting goods store has recently started a national advertising campaign. He has kept a record of the monthly costs of advertising and the monthly profits in thousands of dollars, shown below Month Advertising Profit Jan. Feb. 13 Mar. 11.4 Apr 14.6 May 16.8 Jun. 11.2 Jul Sum Cost (X) 10 115 200 170 150 210 110 125 13.2 a. What are the hypotheses for using advertising cost to predict profit b. Using advertising cost to predict profit, derive the equation for the regression line. e. Using this equation, if the manager spends $12.5 thousand in advertising in August, what can he expect his profits to be d. Construct an ANOVA table and calculate the Fvalue for this regression.

Answer 1

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