You are given the following data based on 10 pairs of observations on Y and X....
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You are given the following data based on 10 pairs of observations on Y and X. Σ Υ = 507, Σχι = 5600, Σχινι = 305550 Σχε = 4760000, YZ = 26071 Assuming all the assumptions of CLRM are fulfilled, obtain i) by and by ii) Standard error of the regression (SER) iii) Standard errors of these estimators (bi and b2). b = Y –b,X by : = ΣΧΥ – nXY Σx - nX2 n Σe = ΣΥ? +nb +63ΣΧ -2b ΣΥ -26,ΣΧ.Υ. +2b,b, ΣΧ i=l V(b) = 6 ΣΧ ηΣ(X - X) 2 V(b) = σ = 62 Σ(x − x) (2 marks) (1mark) (2 marks) You are given the following data based on 10 pairs of observations on Y and X. Σ Υ = 507, Σχι = 5600, Σχινι = 305550 Σχε = 4760000, YZ = 26071 Assuming all the assumptions of CLRM are fulfilled, obtain i) by and by ii) Standard error of the regression (SER) iii) Standard errors of these estimators (bi and b2). b = Y –b,X by : = ΣΧΥ – nXY Σx - nX2 n Σe = ΣΥ? +nb +63ΣΧ -2b ΣΥ -26,ΣΧ.Υ. +2b,b, ΣΧ i=l V(b) = 6 ΣΧ ηΣ(X - X) 2 V(b) = σ = 62 Σ(x − x) (2 marks) (1mark) (2 marks)
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