A sales manager collected the following data on annual sales for new customer accounts and the number of years of experience for a sample of 10 salespersons. Years of Annual Sales Salesperson Experience ($1000) 1 1 83 2 2 91 3 4 94 4 101 5 6 105 6. 6 113 7 8 114 8 10 128 9 12 139 10 14 145 a. Compute the residuals and choose a residual plot for this problem. |x (to 1 decimal) A. Residuals В. C. D. Residuals Residuals Residuals 4 -4 2 2 -2 -2 -4 10 12 10 12 10 12 10 12 The correct plot of the residuals is - Select your answer - b. Do the assumptions about the error term seem reasonable in light of the residual plot? The assumptions concerning the error term - Select your answer - : reasonable.
A sales manager collected the following data on annual sales for new customer accounts and the number of years of experience for a sample of 10 salespersons. Years of Annual Sales Salesperson Experience ($1000) 1 1 83 2 2 91 3 4 94 4 101 5 6 105 6. 6 113 7 8 114 8 10 128 9 12 139 10 14 145 a. Compute the residuals and choose a residual plot for this problem. |x (to 1 decimal) A. Residuals В. C. D. Residuals Residuals Residuals 4 -4 2 2 -2 -2 -4 10 12 10 12 10 12 10 12 The correct plot of the residuals is - Select your answer - b. Do the assumptions about the error term seem reasonable in light of the residual plot? The assumptions concerning the error term - Select your answer - : reasonable.
Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter7: Distance And Approximation
Section7.3: Least Squares Approximation
Problem 31EQ
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