The following table contains a partial listing of data on the average life expectancies of men and women in the US over the period 1940-1992. The full data set is contained on the course eLC page in the file hwk1-1.dat. Use R to do the computational aspects (model fitting, inferences) of the following problems.
a. What is the expectation function for i = 1; 3; 5; : : : ; 51 (the odd values of i, corresponding to females)?