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a. What is the sample regression equation? b. Interpret the slope coefficient for x1. c. Find the predicted value for y if x1 equals 200.

a. What is the sample regression equation? b. Interpret the slope coefficient for x1. c. Find the predicted value for y if x1 equals 200.

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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a. What is the sample regression equation?

b. Interpret the slope coefficient for x1.

c. Find the predicted value for y if x1 equals 200.

d. Fill in the missing values A and B in the ANOVA table.

e. Calculate the standard error of the estimate.

f. Calculate R2 .

23) The following portion of regression results was obtained when estimating a simple linear regression model. Regression Residual Total Intercept X df 1 23 24 Coefficients 80.30 -0.28 SS 725.56 22.20 A Standard Error 2.08 0.01 MS 725.56 B t-stat 38.68 -27.42 F 751.68 p-value 1.95E-22 4.54E-19
Transcribed Image Text:23) The following portion of regression results was obtained when estimating a simple linear regression model. Regression Residual Total Intercept X df 1 23 24 Coefficients 80.30 -0.28 SS 725.56 22.20 A Standard Error 2.08 0.01 MS 725.56 B t-stat 38.68 -27.42 F 751.68 p-value 1.95E-22 4.54E-19
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Could you answer these? 

a. Fill in the missing values A and B in the ANOVA table.

b. Calculate the standard error of the estimate.

c. Calculate R2 .

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