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Given are five observations collected in a regression study on two variables. x₁ 2 6 9 13 20 V₁9 19 7 26 21 (a) Develop a scatter diagram for these data. y y y y 30 30 30 30 25 25 25- 25 20 20 20 20 ELEE 15 15 15- 15 10 10 10- 10- 5 0 5 10 15 20 25 0 5 10 15 20 25 0 5 10 15 20 25 0 5 10 15 20 25 O Q (b) Develop the estimated regression equation for these data. 9= (c) Use the estimated regression equation to predict the value of y when x = 2.

Given are five observations collected in a regression study on two variables. x₁ 2 6 9 13 20 V₁9 19 7 26 21 (a) Develop a scatter diagram for these data. y y y y 30 30 30 30 25 25 25- 25 20 20 20 20 ELEE 15 15 15- 15 10 10 10- 10- 5 0 5 10 15 20 25 0 5 10 15 20 25 0 5 10 15 20 25 0 5 10 15 20 25 O Q (b) Develop the estimated regression equation for these data. 9= (c) Use the estimated regression equation to predict the value of y when x = 2.

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 five observations collected in a regression study on two variables. X; 26 9 13 20 Y₁ 9 19 7 26 21 (a) Develop a scatter diagram for these data. y y 30- 25 ● 20 15 10 5 X 30 25 20 15 10 5- 0 5 10 15 20 25 5 (b) Develop the estimated regression equation for these data. ŷ = (c) Use the estimated regression equation to predict the value of y when x = 2. 0 ● 10 15 | 20 X 25 y 30 25 20 15 E 10 5 X 0 5 10 15 20 25 y 30 25 20 15 10- 5- 0 5 10 ● 15 20 25 X i
Transcribed Image Text:Given are five observations collected in a regression study on two variables. X; 26 9 13 20 Y₁ 9 19 7 26 21 (a) Develop a scatter diagram for these data. y y 30- 25 ● 20 15 10 5 X 30 25 20 15 10 5- 0 5 10 15 20 25 5 (b) Develop the estimated regression equation for these data. ŷ = (c) Use the estimated regression equation to predict the value of y when x = 2. 0 ● 10 15 | 20 X 25 y 30 25 20 15 E 10 5 X 0 5 10 15 20 25 y 30 25 20 15 10- 5- 0 5 10 ● 15 20 25 X i
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