In the simple linear regression model y 5 b0 1 b1x 1 u, suppose that E1u2 2 0. Letting a0 5 E1u2, show that the model can always be rewritten with the same slope, but a new intercept and error, where the new error has a zero expected value.

translate k to n and reflect across the line containing jk.

if you get paid hourly because if you get a salary you could work all week and only get paid a certain amount no matter how much you work but if you get paid hourly then you get paid for every minute you worked.