Calculate SSE And

Essay

Calculate SSE and $s ^ { 2 } \text { for } n = 25 , \sum \mathrm { y } ^ { 2 } = 950 , \quad \sum \mathrm { y } = 65 , \mathrm { SS } _ { \mathrm { xy } } = 3000 , \text { and } \hat { \beta } 1 = .2$