B. Find the regression standard error (s) (2 marks) C Given that average Y() is equal to 461.43 and everage X () is equal to 26.89, find the intercept coefficient (80) (2 marks) D. Given that (x,-X) is equal to 1732.06, find the standard error of the slope coefficient (81). (3 marks) E. Find the t-stat of the intercept coefficient (80) (3 marks) F. Find the confidence interval of the slope coefficient (83) using a 95% confidence level. (3 marks) T(x,-) T25 -77 1 (x-3) X-T3 Equations SE(a)=s SE(B) = s ET.. (8-8)(3-9) (X-X)2 B. Find the regression standard error (s) (2 marks) C Given that average Y() is equal to 461.43 and everage X () is equal to 26.89, find the intercept coefficient (80) (2 marks) D. Given that (x,-X) is equal to 1732.06, find the standard error of the slope coefficient (81). (3 marks) E. Find the t-stat of the intercept coefficient (80) (3 marks) F. Find the confidence interval of the slope coefficient (83) using a 95% confidence level. (3 marks) T(x,-) T25 -77 1 (x-3) X-T3 Equations SE(a)=s SE(B) = s ET.. (8-8)(3-9) (X-X)2