Question: The central on a p-chart is 0.50 with a UCL of 0.65 and an LCL of 0.35. The results of the next six samples are

The central on a p-chart is 0.50 with a UCL of 0.65 and an LCL of 0.35. The results of the next six samples are 0.60, 0.37, 0.45, 0.48, 0.45, and 0.42. What should you do?
A) increase sample size to get a better measure
B) nothing, the process is behaving as expected
C) explore the assignable causes because three observations are above the central line.
D) explore assignable causes because there is a run

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