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Given are data for two variables, x and y. X  6,11,15,18,20                                                Y  6,8,12,20,30   a. Develop an estimated regression equation for these data. b. Compute the residuals. c. Develop a plot of the residuals against the independent variable x. Do the assumptions about the error terms seem to be satisfied?

Given are data for two variables, x and y. X  6,11,15,18,20                                                Y  6,8,12,20,30   a. Develop an estimated regression equation for these data. b. Compute the residuals. c. Develop a plot of the residuals against the independent variable x. Do the assumptions about the error terms seem to be satisfied?

MATLAB: An Introduction with Applications
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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Given are data for two variables, x and y.

X  6,11,15,18,20                                                Y  6,8,12,20,30

 

a. Develop an estimated regression equation for these data.

b. Compute the residuals.

c. Develop a plot of the residuals against the independent variable x. Do the assumptions about the error terms seem to be satisfied?

d. Compute the standardized residuals.

e. Develop a plot of the standardized residuals against .

What conclusions can you draw from this plot?

 

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