Given are five observations for two variables, x and y

Given are five observations for two variables, x and y.  xi 1 2 3 4 5 yi 3 7 7 12 14 The estimated regression equation for these data is  = 0.5 + 2.7x. 1. Compute SSE, SST, and SSR using the following equations (to 1 decimal). SSE SST SSR 2. Compute the coefficient of determination r2 (to 3 decimals).  Does this least squares line provide a good fit? Select Yes, the least squares line provides a very good fit No, the least squares line does not produce much of a fit Item 5  3. Compute the sample correlation coefficient (to 4 decimals).