Rerun Exercise 11.29, this time using Epineq.dat. (The results will differ somewhat because the data are different.) Calculate the average of the three error terms ( ) and show that this is equal to...

Rerun Exercise 11.29, this time using Epineq.dat. (The results will differ somewhat because the data are different.) Calculate the average of the three error terms ( ) and show that this is equal to the average of the variances within each of the nine groups in the experiment. Save this value to use in Chapter 13.