The exercise involving data in this and subsequent sections were designed to be solved using Excel. The following estimated regression equation is based on 30 observations. ý = 17.4 + 3.821 – 2.5x2 +...

Extracted text: The exercise involving data in this and subsequent sections were designed to be solved using Excel. The following estimated regression equation is based on 30 observations. ý = 17.4 + 3.821 – 2.5x2 + 7.3zg + 2.8z4 The values of SST and SSR are 1,807 and 1,756, respectively. a. Compute R (to 3 decimals). b. Compute R (to 3 decimals). c. How good is the fit provided by the estimated regression equation? The estimated regression equation provided an excellent fit