Based on the firm's data and the regression line, answer the following. (a) What was the observed percentage increase in sales when the advertising campaign cost was 1.58 million dollars? (b) From the regression equation, what is the predicted percentage increase in sales when the advertising campaign cost is 1.58 million dollars? Round your answer to two or more decimal places. 0
Based on the firm's data and the regression line, answer the following. (a) What was the observed percentage increase in sales when the advertising campaign cost was 1.58 million dollars? (b) From the regression equation, what is the predicted percentage increase in sales when the advertising campaign cost is 1.58 million dollars? Round your answer to two or more decimal places. 0
Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter7: Distance And Approximation
Section7.3: Least Squares Approximation
Problem 31EQ
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