Answer:
The 95% confidence limits for the true average value of Y at Xo. 3 are. 12.15 :5 ... X; n2X2/a2 ... The model suffers from lack of fit; the next step is to plot residuals and check patterns, ... It is true generally, as we now show in matrix algebra ... so that the two predictors (X - Z) and Z are the numbers of women and men working,.
Explanation: