1. Given the following Equation show that for the estimator b1, E[b1] = B1
b1 = (sum(yi*xi1))/(sum((xi1)^2))
2. ei = yi-yhat = yi-bi*xi1 equal the residual
find var(ei)© BrainMass Inc. brainmass.com December 24, 2021, 11:38 pm ad1c9bdddf
SOLUTION This solution is FREE courtesy of BrainMass!
Please see attached.© BrainMass Inc. brainmass.com December 24, 2021, 11:38 pm ad1c9bdddf>