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The following estimated regression equation is based on 30 observations. y^=17.4+3.8x12x2+7.6x3+2.8x4 The values of SST and SSR are 1,809 and 1,762 , respectively. a. Compute

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The following estimated regression equation is based on 30 observations. y^=17.4+3.8x12x2+7.6x3+2.8x4 The values of SST and SSR are 1,809 and 1,762 , respectively. a. Compute R2 (to 3 decimals). b. Compute Ra2 (to 3 decimals). c. Comment on the goodness of fit. The estimated regression equation

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