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1. The line in the next figure is the estimated regression line of a regression model with one independent variable, X, and one dependent variable, Y. Suppose that the line goes through point (X,Y)= (1,9) 30 25 20 15 10 5 0 :0 1 2 6 (a) What is the regression model? (b) What is the estimated regression line and what are the estimated values of 30 and 3₁? (c) By how much is Y expected to increase if X increases by one unit? By how much is Y expected to increase if X decreases by 2 units? A

1. The line in the next figure is the estimated regression line of a regression model with one independent variable, X, and one dependent variable, Y. Suppose that the line goes through point (X,Y)= (1,9) 30 25 20 15 10 5 0 :0 1 2 6 (a) What is the regression model? (b) What is the estimated regression line and what are the estimated values of 30 and 3₁? (c) By how much is Y expected to increase if X increases by one unit? By how much is Y expected to increase if X decreases by 2 units? A

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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1. The line in the next figure is the estimated regression line of a regression model with one independent variable, X, and one dependent variable, Y. Suppose that the line goes through point (X,Y)= (1,9) 30 25 20 <<-15 5 0 0 2 (a) What is the regression model? (b) What is the estimated regression line and what are the estimated values of Bo and 3₁? (c) By how much is Y expected to increase if X increases by one unit? By how much is Y expected to increase if X decreases by 2 units?
Transcribed Image Text:1. The line in the next figure is the estimated regression line of a regression model with one independent variable, X, and one dependent variable, Y. Suppose that the line goes through point (X,Y)= (1,9) 30 25 20 <<-15 5 0 0 2 (a) What is the regression model? (b) What is the estimated regression line and what are the estimated values of Bo and 3₁? (c) By how much is Y expected to increase if X increases by one unit? By how much is Y expected to increase if X decreases by 2 units?
Expert Solution
Step 1: Determine the given information

Considering the independent variable, X and the dependent variable Y, the objective is to determine the regression line Y on X. 

Here the regression line is specified to be passing through the point (X,Y)=(1,9).




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