Calculate Fisher's ideal index number from the following data. Price 6 Rice Wheat Rent Fuel Electricity Bill 4 (5 Marks) Current Year Price Quantity 10 56 2 120 6 60 12 24 12 36 Base Year Quantity SO 100 60 30 40 2 10 8 b) The grades of a class of five students on a midterm report (x) and on the final examination (y) are as follows: 63.0 29.0 20.8 19.1 13.4 8.5 7.0 3.9 2.1 2.8 1.4 1.5 X 1. II. Find the equation of the regression model. Estimate the final examination grade of a student who received a grade of 15 on the midterm report. (3 Marks) (2 Marks)