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2. Using the data above: a. Find ₂ if we run the regression without intercept. b. Show (x,y) is not on the regression line.

2. Using the data above: a. Find ₂ if we run the regression without intercept. b. Show (x,y) is not on the regression line.

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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Please solve question 2, thanks!
8:22 3:26 1. Consider the following 4 observations. a) Fill in the table. x 2 3 4 Evis x bar (mean x) y bar (mean y) Y 6 4 12 10 (.e. Find ₁ and ₂). Expert Q&A b. Interpret the bs (x-x bar) (y-y bar) C'D b. Use the table above to find the best coefficients for the following regression: y=B₁ + B₂ x C^2 2. Using the data above: yhat c. plot the data and the estimated linear regression (on the same graph) c. Obtain the residuals for each observation and show that Ex, is indeed zero. a. Find B₂ if we run the regression without intercept. b. Show (x,y) is not on the regression line. × Done error
Transcribed Image Text:8:22 3:26 1. Consider the following 4 observations. a) Fill in the table. x 2 3 4 Evis x bar (mean x) y bar (mean y) Y 6 4 12 10 (.e. Find ₁ and ₂). Expert Q&A b. Interpret the bs (x-x bar) (y-y bar) C'D b. Use the table above to find the best coefficients for the following regression: y=B₁ + B₂ x C^2 2. Using the data above: yhat c. plot the data and the estimated linear regression (on the same graph) c. Obtain the residuals for each observation and show that Ex, is indeed zero. a. Find B₂ if we run the regression without intercept. b. Show (x,y) is not on the regression line. × Done error
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