(a) (2 points) Calculate and interpret the MST. (b) (2 points) Calculate and interpret the R-squared. (c) (2 points) Calculate the value of the F-statistic. (d) (2 points) Using Table E and a conservative approach, what is the range of values for the p-value associated with this F-test? (e) (2 points) Calculate the coefficient estimated by the lincom command, that is, the mean number of weeks mothers work when their age is 30.54