statistics data 1

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 25^th observation, if

X1= 5

X2= 6

X3= 100