//statistical data analysis for management

1:A LINEAR REGRESSION FUNCTION OF Y ON X1 AND X2 IS FITTED TO THE FOLLOWING DATA .ASSUME THE LINEAR REGRESSION MODEL Y=bo+b1x1+62x2 +u where U"N [0,Sigma squared} y1 : 1 4 6 5 8 10 8 14 x1 :-2 -1 -1 0 01 12 x2 :4 1 1 0 0 1 1 4 a] obtain the estimates of the regression parameters b} find the value of 1] ERROR SOME OF SQUARES 2}S^2 3}VARIANCE BA 5}Sb^ find 95% confidence interval for b1,b2 test for significance of each slope parameter. {15marks