1- Obtain the multiple regression equation by excel;
a.Comment upon its determination coefficient, explain its meaning.
b.Comment on the significance (p-values) of all the estimated coefficients
c.Comment on the significance (ANOVA) of the whole regression model
2- Use the estimated equation for;
a.Estimating the fifth observation
b.Calculating the error of estimation corresponding to the fifth observation
c.Forecasting the 25th observation, if