The manager of a crew that installs carpeting has tracked the crew's output over the past several weeks, obtaining these figures:

Week .............Crew Size ..........Yards Installed

1............................... 4......................... 96

2............................... 3......................... 72

3............................... 4 .........................92

4............................... 2 .........................50

5............................... 3 .........................69

6............................... 2 .........................52

Compute the labor productivity for each of the weeks. On the basis of your calculations, what can you conclude about crew size and productivity?