Chapter 14, Problem 11ICA

Use the scenario described in the preceding problem. Examine the graphs shown, and explain the changes 10 the baseline curve observed in the dashed line by choosing a cause from the following list. The strength of the beam is shown on the abscissa.

a. The manufacturer tested 200 beams instead of 500 beams

b. An impurity, which caused the beams to weaken, was discovered in a sample of 500 beams

c. During a plant strike by union workers, substitute workers manufactured the beams.