The following data were used in a regression study. Observation 1 2 3 4 5 6 7 8 9 X; 2 3 4 5 77 78 9 Y; 5 4 7 4 6 9 6 11 (a) Develop an estimated regression equation for these data. (Round your...

Extracted text: The following data were used in a regression study. Observation 1 2 3 4 5 6 7 8 9 X; 2 3 4 5 77 78 9 Y; 5 4 7 4 6 9 6 11 (a) Develop an estimated regression equation for these data. (Round your numerical values to two decimal places.) (b) Construct a plot of the residuals. 2 2 -2 -2 -4 4 6 8 10 4 8. 10 4 6. 8 10 2 4 6 8 10 Do the assumptions about the error term seem to be satisfied? O The plot suggests curvature in the residuals indicating that the error term assumptions are not satisfied. O The plot suggests curvature in the residuals indicating that the error term assumptions are satisfied. O The plot suggests a generally horizontal band of residual points indicating that the error term assumptions are not satisfied. O The plot suggests a funnel pattern in the residuals indicating that the error term assumptions are satisfied. O The plot suggests a funnel pattern in the residuals indicating that the error term assumptions are not satisfied. Residuals Residuals