Question

The quality of an electronic component used in manufacturing cell phones is monitored with a p chart. In the last 20 days, daily samples of 75 units resulted in the following number of defective units per sample: 8, 4, 3, 7, 3, 1, 0, 7, 4, 2, 0, 1, 6, 2, 4, 3, 1, 2, 8, and 5. Find the appropriate center line.
A. .0473
B. .2667
C. .1067
D. .0133

Answer

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