The following data set shows the weekly advertising expenditure and sales of 12 retail merchants selling face masks. Advertising cost ($) 60 40 45 40 50 70 60 40 70 60 45 70 Sales ($) 385 400 395 365 475 440 490 420 560 525 480 510
The following data set shows the weekly advertising expenditure and sales of 12 retail merchants selling face masks. Advertising cost ($) 60 40 45 40 50 70 60 40 70 60 45 70 Sales ($) 385 400 395 365 475 440 490 420 560 525 480 510
Elementary Algebra
17th Edition
ISBN:9780998625713
Author:Lynn Marecek, MaryAnne Anthony-Smith
Publisher:Lynn Marecek, MaryAnne Anthony-Smith
Chapter1: Foundations
Section1.3: Add And Subtract Integers
Problem 260E: Stock Market During the week of June 22, 2009, the closing numbers of the Dow Jones Industrial...
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Question
Find the equation of the regression line. You may use Excel.
a. What is the value of the intercept?
b. What is the value of b1?
c. Write the equation in the stylized form.
d. Interpret the coefficients of the estimated regression line.
NOTE: please answer ASAP. I really need help.
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