MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
The following multiple linear regression depicts the sales of Unilever Corporation:
S = 10- 0.20P + 0.06TA + 0.08RA
Where:
S: Sales (Unit);
P: Price ($/Unit);
TA: Television advertising ($)
RA: Radio advertising ($).
1. Interpret the slopes;
2. Is television advertising more effective than radio advertising? Why or why not?
3. What is the effect of a $1 increase in price, a $3 increase in TV advertising, and a $2
decrease in radio advertising on sales?
4. What is the effect of a $2 decrease in price, a $2 decrease in TV advertising, and a $4
increase in radio advertising on sales?
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