Question

Among other quality measures, the quality of an electronic component used in manufacturing stereo speakers is monitored with a p chart. In the last 25 days, daily samples of 60 units resulted in the following number of defective units per sample: 8, 4, 3, 7, 6, 2, 5, 3, 1, 0, 7, 4, 2, 0, 1, 6, 2, 4, 3, 1, 2, 8, 5, 6, 0. Determine the center line for this process.
A. .06
B. .03
C. .001
D. .056

Answer

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