1. The following table contains observations on the quantity demanded (y) of a certain commodity, its price (X1) and consumers' income (X2). Based on the table information answer the following questions. Quantity demand Price Income 100 15 1100 75 800 80 6 900 70 6 500 50 300 65 8 400 90 15 1000 100 1100 110 1300 60 9 400 A. Estimate the parameters and interpret the result B. Compute the coefficient of multiple determination and interpret the result c. Estimate the variances and standard errors of the regression parameters D. Conduct tests of significance at 5% level E. Construct the 95% confidence intervals for the population parameters. F. Test of the overall significance of the regression model