xi 6 11 15 18 20 yi 5 7 13 19 30 (a) Develop an estimated regression equation for these data. (Round your numerical values to two decimal places.) ŷ = (b) Compute the residuals. (Round your answers to two decimal places.) xi yi Residuals 6 5 11 7 15 13 18 19 20 30 (c) Develop a plot of the residuals against the independent variable x. Do the assumptions about the error terms seem to be satisfied? The plot suggests curvature in the residuals indicating that the error term assumptions are not satisfied.The plot suggests a funnel pattern in the residuals indicating that the error term assumptions are not satisfied. The plot suggests a generally horizontal band of residual points indicating that the error term assumptions are satisfied.The plot suggests curvature in the residuals indicating that the error term assumptions are satisfied.The plot suggests a generally horizontal band of residual points indicating that the error term assumptions are not satisfied. (d) Compute the standardized residuals. (Round your answers to two decimal places.) xi yi Standardized Residuals 6 5 11 7 15 13 18 19 20 30 (e) Develop a plot of the standardized residuals against ŷ. What conclusions can you draw from this plot? The standardized residual plot has a different shape than the original residual plot. The plot suggests a generally horizontal band of residual points indicating that the error term assumptions are satisfied.The standardized residual plot has the same shape as the original residual plot. The plot suggests curvature in the residuals indicating that the error term assumptions are not satisfied. The standardized residual plot has a different shape than the original residual plot. The plot suggests a funnel pattern in the residuals indicating that the error term assumptions are not satisfied.The standardized residual plot has a different shape than the original residual plot. The plot suggests curvature in the residuals indicating that the error term assumptions are satisfied.The standardized residual plot has the same shape as the original residual plot. The plot suggests a generally horizontal band of residual points indicating that the error term assumptions are not satisfied

xi 6 11 15 18 20 yi 5 7 13 19 30 (a) Develop an estimated regression equation for these data. (Round your numerical values to two decimal places.) ŷ = (b) Compute the residuals. (Round your answers to two decimal places.) xi yi Residuals 6 5 11 7 15 13 18 19 20 30 (c) Develop a plot of the residuals against the independent variable x. Do the assumptions about the error terms seem to be satisfied? The plot suggests curvature in the residuals indicating that the error term assumptions are not satisfied.The plot suggests a funnel pattern in the residuals indicating that the error term assumptions are not satisfied. The plot suggests a generally horizontal band of residual points indicating that the error term assumptions are satisfied.The plot suggests curvature in the residuals indicating that the error term assumptions are satisfied.The plot suggests a generally horizontal band of residual points indicating that the error term assumptions are not satisfied. (d) Compute the standardized residuals. (Round your answers to two decimal places.) xi yi Standardized Residuals 6 5 11 7 15 13 18 19 20 30 (e) Develop a plot of the standardized residuals against ŷ. What conclusions can you draw from this plot? The standardized residual plot has a different shape than the original residual plot. The plot suggests a generally horizontal band of residual points indicating that the error term assumptions are satisfied.The standardized residual plot has the same shape as the original residual plot. The plot suggests curvature in the residuals indicating that the error term assumptions are not satisfied. The standardized residual plot has a different shape than the original residual plot. The plot suggests a funnel pattern in the residuals indicating that the error term assumptions are not satisfied.The standardized residual plot has a different shape than the original residual plot. The plot suggests curvature in the residuals indicating that the error term assumptions are satisfied.The standardized residual plot has the same shape as the original residual plot. The plot suggests a generally horizontal band of residual points indicating that the error term assumptions are not satisfied

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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Related questions

Question

x_i	6	11	15	18	20
y_i	5	7	13	19	30

(a)

Develop an estimated regression equation for these data. (Round your numerical values to two decimal places.)

ŷ =

(b)

Compute the residuals. (Round your answers to two decimal places.)

x_i	y_i	Residuals
6	5
11	7
15	13
18	19
20	30

(c)

Develop a plot of the residuals against the independent variable x. Do the assumptions about the error terms seem to be satisfied?

The plot suggests curvature in the residuals indicating that the error term assumptions are not satisfied.The plot suggests a funnel pattern in the residuals indicating that the error term assumptions are not satisfied. The plot suggests a generally horizontal band of residual points indicating that the error term assumptions are satisfied.The plot suggests curvature in the residuals indicating that the error term assumptions are satisfied.The plot suggests a generally horizontal band of residual points indicating that the error term assumptions are not satisfied.

(d)

Compute the standardized residuals. (Round your answers to two decimal places.)

x_i	y_i	Standardized Residuals
6	5
11	7
15	13
18	19
20	30

(e)

Develop a plot of the standardized residuals against ŷ. What conclusions can you draw from this plot?

The standardized residual plot has a different shape than the original residual plot. The plot suggests a generally horizontal band of residual points indicating that the error term assumptions are satisfied.The standardized residual plot has the same shape as the original residual plot. The plot suggests curvature in the residuals indicating that the error term assumptions are not satisfied. The standardized residual plot has a different shape than the original residual plot. The plot suggests a funnel pattern in the residuals indicating that the error term assumptions are not satisfied.The standardized residual plot has a different shape than the original residual plot. The plot suggests curvature in the residuals indicating that the error term assumptions are satisfied.The standardized residual plot has the same shape as the original residual plot. The plot suggests a generally horizontal band of residual points indicating that the error term assumptions are not satisfied

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