The following table gives the total U. S. farm employment for 1950-1972 in thousands*. (a) Find the equation of the least squares line using the program LINREG (code 1950 as O, etc.). (b) What is the...

The following table gives the total U. S. farm employment for

1950-1972 in thousands*.

(a) Find the equation of the least squares line using the program LINREG (code 1950 as O, etc.).

(b) What is the value of the coefficient of determination.

(c) Find a 95% confidence interval for B, the average change

per year in total U. s. farm employment over this period.