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11.19 Refer to Exercise 11.18. After the least squares line has been obtained, the following table can be used (1) to com- pare the observed and the predicted values of y and (2) to compute SSE. x y ŷ (y-ŷ) 7 2 4 2 4 2 1 7 16 3 5 - (y-ŷ)2 Σ(y-ŷ)= SSE =(y-ŷ)2= a. Complete the table. b. Plot the least squares line on a scatterplot of the data.

11.19 Refer to Exercise 11.18. After the least squares line has been obtained, the following table can be used (1) to com- pare the observed and the predicted values of y and (2) to compute SSE. x y ŷ (y-ŷ) 7 2 4 2 4 2 1 7 16 3 5 - (y-ŷ)2 Σ(y-ŷ)= SSE =(y-ŷ)2= a. Complete the table. b. Plot the least squares line on a scatterplot of the data.

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Algebra & Trigonometry with Analytic Geometry

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN: 9781133382119

Author: Swokowski

Publisher: Cengage

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Transcribed Image Text:11.19 Refer to Exercise 11.18. After the least squares line has been obtained, the following table can be used (1) to com- pare the observed and the predicted values of y and (2) to compute SSE. x y ŷ (y-ŷ) 7 2 4 2 4 2 1 7 16 3 5 - (y-ŷ)2 Σ(y-ŷ)= SSE =(y-ŷ)2= a. Complete the table. b. Plot the least squares line on a scatterplot of the data.

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