Does this least squares line provide a good fitselectyes

Question

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?SelectYes, the least squares line provides a very good fitNo, the least squares line does not produce much of a fitItem 5
3. Compute the sample correlation coefficient (to 4 decimals).