The head of the finance department of Supermarket Company in White Exited, New York City prepared the following table. Values are in thousand pesos. 1.) Plot the Scatter Diagram 2.) Solve and plot for the linear regression equation ( y^= a + bx) on the same graph in a. b=nΣ xy-(Σ x)(Σ y)/n(Σ x2)-(Σ x)2 a=Σ y-bΣ x/n Sales y Cost Radio Advertising 76 10 85 12 80 11 55 6 57 9
The head of the finance department of Supermarket Company in White Exited, New York City prepared the following table. Values are in thousand pesos. 1.) Plot the Scatter Diagram 2.) Solve and plot for the linear regression equation ( y^= a + bx) on the same graph in a. b=nΣ xy-(Σ x)(Σ y)/n(Σ x2)-(Σ x)2 a=Σ y-bΣ x/n Sales y Cost Radio Advertising 76 10 85 12 80 11 55 6 57 9
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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The head of the finance department of Supermarket Company in White Exited, New York City prepared the following table. Values are in thousand
pesos.
1.) Plot the
2.) Solve and plot for the linear regression equation ( y^= a + bx) on the same graph in a.
b=nΣ xy-(Σ x)(Σ y)/n(Σ x2)-(Σ x)2
a=Σ y-bΣ x/n
Sales y | Cost Radio Advertising |
76 |
10 |
85 | 12 |
80 | 11 |
55 | 6 |
57 | 9 |
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