Chapter 19, Problem 11E

A bicycle manufacturer randomly selects 10 frames each day and tests for defects. The numbers of defective frames found over the last 14 days are 3, 2, 1, 3, 2, 2, 8, 2, 0, 3, 5, 2, 0, and 4. Construct a control chart for this process and comment on whether the process is “in control.”