The linear trend equation for the following data is:
Month Value of fund
1 4
2 6
3 9
4 12
5 14
6 16
7 19
a] What is the predicted values of the fund in the period t = 1?
b] What is the predicted value of the fund in the period 3, and period 7?
c] Find the residual values (error) for period 3, and period 7