The Central Line on a P-Chart Is 0

question 138

Multiple Choice

The central line 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)Nothing;the process is behaving as expected.
• B)Explore the assignable causes because three observations are above the central line.
• C)Explore assignable causes because there is a run.
• D)Increase the sample size to get a better measure.

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Definitions:

Year

A period of time equal to 365 or 366 days, used for measuring a duration of time according to the Gregorian calendar.

Epigenetic Influences

Refers to changes in gene expression caused by mechanisms other than changes in the underlying DNA sequence.

Interactions

A process or action taken place when two or more objects or substances influence or have an effect on each other.

Health

A state of complete physical, mental, and social well-being, and not merely the absence of disease or infirmity.