5. Repeat the procedure for problem 4, using the last 25 three-digit random numbers in the column used for problem 4.

a. What is the mean of these observations?

b. By what percentage does the mean of the observations differ from \ = 2 for the original distribution?

c. Combine the means from problem 4 and this problem to get a mean based on 50 observations. By what percentage does this mean differ from the original \ = 2?