50 50 40 40 30 30- 20 20 10 10 10 20 30 40 50 60 x 10 20 30 40 50 60 x - Select your answer- b. What does the scatter diagram developed in part (a) indicate about the relationship between the two variables? There appears to be a Select your answer - v linear relationship between 3 and y. c. Try to approximate the relationship between z and y by drawing a straight line through the data. v to provide a linear approximation of the relationship between 2 and y. Select your answer - d. Develop the estimated regression equation by computing the values of bg and bi using equations: (Enter negative values as negative figure) E(#; – #)(v: – 7) bg = j – bE x (to 2 decimals) %3D e. Use the estimated regression equation to predict the value of y when = 17.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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Question
Given are five observations for tvwo variables, z and y.
5
14
8 23 20
53
41
52
14
20
a. Choose the correct scatter diagram for these data:
A.
В.
y
60
60
50
50
40
40
30
30-
20
20
10-
10
10
20
30
40
50
60 x
10
20
30
40
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60 x
C.
D.
60
60
50
50
40
40-
30-
30
Transcribed Image Text:Given are five observations for tvwo variables, z and y. 5 14 8 23 20 53 41 52 14 20 a. Choose the correct scatter diagram for these data: A. В. y 60 60 50 50 40 40 30 30- 20 20 10- 10 10 20 30 40 50 60 x 10 20 30 40 50 60 x C. D. 60 60 50 50 40 40- 30- 30
50
50
40-
40-
30
30-
20
20
10-
10
10
20
30
40
50
60 x
10
20
30
40
50
60 x
- Select your answer -
b. What does the scatter diagram developed in part (a) indicate about the relationship between the two variables?
There appears to be a - Select your answer - v linear relationship between 3 and y.
c. Try to approximate the relationship between a and y by drawing a straight line through the data.
Select your answer -
v to provide a linear approximation of the relationship between 2 and y.
d. Develop the estimated regression equation by computing the values of by and bi using equations: (Enter negative values as negative figure)
Σ-)-)
bo = - b1E
ŷ =
æ (to 2 decimals)
%3D
e. Use the estimated regression equation to predict the value of y when I = 17.
(to 2 decimals)
%3D
Transcribed Image Text:50 50 40- 40- 30 30- 20 20 10- 10 10 20 30 40 50 60 x 10 20 30 40 50 60 x - Select your answer - b. What does the scatter diagram developed in part (a) indicate about the relationship between the two variables? There appears to be a - Select your answer - v linear relationship between 3 and y. c. Try to approximate the relationship between a and y by drawing a straight line through the data. Select your answer - v to provide a linear approximation of the relationship between 2 and y. d. Develop the estimated regression equation by computing the values of by and bi using equations: (Enter negative values as negative figure) Σ-)-) bo = - b1E ŷ = æ (to 2 decimals) %3D e. Use the estimated regression equation to predict the value of y when I = 17. (to 2 decimals) %3D
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