A P-Chart Is Useful For

question 3

Multiple Choice

A p-chart is useful for:

• A) analyzing whether a process for a measurable variable is in or out of control.
• B) analyzing processes which yield attribute data.
• C) determining what the most likely cause of defects is.
• D) All of the above

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Definitions:

T Distribution

A probability distribution that arises when estimating the mean of a normally distributed population in situations where the sample size is small and the population standard deviation is unknown.

Degrees of Freedom

The number of independent values or quantities which can vary in an analysis without breaking any constraints.

T Distribution

A probability distribution that is used to estimate population parameters when the sample size is small and the population variance is unknown.

Population Mean

The average of a set of values in the entire population.