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Given are five observations for two variables, and y a. Choose the correct scatter diagram for the data: 50- 10 50 20 10

Given are five observations for two variables, and y a. Choose the correct scatter diagram for the data: 50- 10 50 20 10

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 for two variables, and y. a. Choose the correct scatter diagram for these data: 10- -40 10+ 10 O search 10 20 20 30 3⁰0 40 40 50 -50 -40- -90 -20 -10- 50 -40- -90- -20 10- 10 10 20 20 30 30 to 40 -Select your answer. b. What does the scatter diagram developed in part (a) indicate about the relationship between the two variables? 50 2, M 5 15 56 41 8 22 20 55 14
Transcribed Image Text:Given are five observations for two variables, and y. a. Choose the correct scatter diagram for these data: 10- -40 10+ 10 O search 10 20 20 30 3⁰0 40 40 50 -50 -40- -90 -20 -10- 50 -40- -90- -20 10- 10 10 20 20 30 30 to 40 -Select your answer. b. What does the scatter diagram developed in part (a) indicate about the relationship between the two variables? 50 2, M 5 15 56 41 8 22 20 55 14
- Select your answer - b. What does the scatter diagram developed There appears to be a - Select your answer - c. Try to approximate the relationship between and y by drawing a straight line through the data. Select your answer - ✓to provide a linear approximation of the relationship between and y. d. Develop the estimated regression equation by computing the values of bo and by using equations: (Enter negative values as negative figure) b₁ = Σ(x; - E)(m - v) (-² part (a) indicate about the relationship between the two variables? linear relationship between and y. boÿ-b₂ + (to 2 decimals) e. Use the estimated regression equation to predict the value of y when * = 2. y = (to 2 decimals)
Transcribed Image Text:- Select your answer - b. What does the scatter diagram developed There appears to be a - Select your answer - c. Try to approximate the relationship between and y by drawing a straight line through the data. Select your answer - ✓to provide a linear approximation of the relationship between and y. d. Develop the estimated regression equation by computing the values of bo and by using equations: (Enter negative values as negative figure) b₁ = Σ(x; - E)(m - v) (-² part (a) indicate about the relationship between the two variables? linear relationship between and y. boÿ-b₂ + (to 2 decimals) e. Use the estimated regression equation to predict the value of y when * = 2. y = (to 2 decimals)
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