You are given the following data based on 10 pairs of observations on Y and X. S

ID: 2622203 • Letter: Y

Question

You are given the following data based on 10 pairs of observations on Y and X.

Sum of Yi = 1110

Sum of Xi =1680

Sum of XiYi = 204,200

Sum of X^2i = 315,400

Sum of Y^2i =133,300

Assuming all the assumptions of CLRM (classical liinear regression model) are fulfilled obtain.

A) b1 and b2

B) standard errors of these estimators.

C) r^2

D) Establish 95% confidence intervals for B1 and B2.

E) On the basis of the confidence intervals established in (D), can you accept the hypothesis that B2 = 0? Explain.

**Please show your work steps to see and know how you got your answers, so I can understand** Thank you for your help.

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