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The estimated regression equation for a model involving 30 observations follows. ŷ = 17.6 + 3.8x1– 2.3x2 + 7.6x3 + 2.7x4 The values of SST and SSR are 1805 and 1760, respectively. a. Compute R². b. Compute Ra. c. Comment on the goodness of fit.

The estimated regression equation for a model involving 30 observations follows. ŷ = 17.6 + 3.8x1– 2.3x2 + 7.6x3 + 2.7x4 The values of SST and SSR are 1805 and 1760, respectively. a. Compute R². b. Compute Ra. c. Comment on the goodness of fit.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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only need C but would love an explanation on goodness of fit thoroughly

The estimated regression equation for a model involving 30 observations follows. ŷ = 17.6 + 3.8x1– 2.3x2 + 7.6x3 + 2.7x4 The values of SST and SSR are 1805 and 1760, respectively. a. Compute R2. b. Compute Ra. c. Comment on the goodness of fit.
Transcribed Image Text:The estimated regression equation for a model involving 30 observations follows. ŷ = 17.6 + 3.8x1– 2.3x2 + 7.6x3 + 2.7x4 The values of SST and SSR are 1805 and 1760, respectively. a. Compute R2. b. Compute Ra. c. Comment on the goodness of fit.
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