A Process Has Been Sampled and It Is Found to Have

question 11

Multiple Choice

A process has been sampled and it is found to have a Cpk on the upper side of 2.4 and a Cpk on the lower side of 1.4. The Cp for this process would be:

• A) 2
• B) 1.9
• C) 3.8
• D) 4.8
• E) The value of the process mean is needed to solve this problem.

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Definitions:

Sample Mean

The average value of a set of measurements or quantities collected from a sample.

Population Mean

The average value of a population parameter, which is the sum of all the values in the population divided by the number of values.

Sampling Error

Refers to the error caused by observing a sample instead of the whole population.

Sampling Error

The discrepancy between the statistical measures of a sample and the actual parameters of the whole population.