Answer and Explanation:
a. The computation of labor productivity for each of the weeks is shown below:-
Week Crew size Yards installed labor productivity
1 4 97 24.25
2 3 71 23.67
3 4 98 24.5
4 2 54 27
5 3 63 21
6 2 52 26
Therefore for computing the labor productivity for each week we simply divide the yards installed by crew size.
b. Perhaps even-sized crews are better than uncommon sizes and a crew of 2 seems to be performing best among the others