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The following data were used in a regression study. TIL TI Observation Observation 1 5 2. 2 2 6 3 1 8 6 6 4 3 -1 5 a. Develop an estimated regression equation for these data. If necessary enter negative value as negative number. = 2.22 + -0.03 x (to 2 decimals) b. Choose the correct a plot of the residuals. A. В. Residuals Residuals 3- 2 8 10 6. 8 10 -1 -2 -3 -4. C. D. Residuals Residuals 2- 6. 8 10 5 6. 8. 9 10 - Select your answer - Do the assumptions about the error term seem to be satisfied? The assumption that the variance is - select your answer - : for all values of x is questionable. The variance appears to Select your answer - : for larger values of x.

The following data were used in a regression study. TIL TI Observation Observation 1 5 2. 2 2 6 3 1 8 6 6 4 3 -1 5 a. Develop an estimated regression equation for these data. If necessary enter negative value as negative number. = 2.22 + -0.03 x (to 2 decimals) b. Choose the correct a plot of the residuals. A. В. Residuals Residuals 3- 2 8 10 6. 8 10 -1 -2 -3 -4. C. D. Residuals Residuals 2- 6. 8 10 5 6. 8. 9 10 - Select your answer - Do the assumptions about the error term seem to be satisfied? The assumption that the variance is - select your answer - : for all values of x is questionable. The variance appears to Select your answer - : for larger values of x.

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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The following data were used in a regression study. TI Observation Yi Observation Yi 1 1 6. 2 7 3 2 8 4 9. 6. -1 4 a. Develop an estimated regression equation for these data. If necessary enter negative value as negative number. 2.22 + -0.03 x (to 2 decimals) b. Choose the correct a plot of the residuals. A. Residuals Residuals 3- 3- 2- 2- 1 2 6. 7 8 9 10 6. 7 8 10 -1 -1 -3 -3 С. D. Residuals Residuals 3 3 -2 2 3 7 8 10 3 6 7 10 -1 -3 -3 - Select your answer - Do the assumptions about the error term seem to be satisfied? The assumption that the variance is - Select your answer - +) for all values of x is questionable. The variance appears to Select your answer - + for larger values of x. 0o 2. 2. B. -0o -0o 3.
Transcribed Image Text:The following data were used in a regression study. TI Observation Yi Observation Yi 1 1 6. 2 7 3 2 8 4 9. 6. -1 4 a. Develop an estimated regression equation for these data. If necessary enter negative value as negative number. 2.22 + -0.03 x (to 2 decimals) b. Choose the correct a plot of the residuals. A. Residuals Residuals 3- 3- 2- 2- 1 2 6. 7 8 9 10 6. 7 8 10 -1 -1 -3 -3 С. D. Residuals Residuals 3 3 -2 2 3 7 8 10 3 6 7 10 -1 -3 -3 - Select your answer - Do the assumptions about the error term seem to be satisfied? The assumption that the variance is - Select your answer - +) for all values of x is questionable. The variance appears to Select your answer - + for larger values of x. 0o 2. 2. B. -0o -0o 3.
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