See previous questions for additional information. Computer-assisted learning .

See previous questions for additional information.

Computer-assisted learningXY

f. Compare the estimated standard deviations of the weighted least squares estimates bw0 and bw1 in part (e) with those for the ordinary least squares estimates in part (a). What do you find?

g. Iterate the steps in parts (d) and (e) one more time. Is there a substantial change in the estimated regression coefficients? If so, what should you do?