If a process is in control, we expect all the data values to fall within two standard deviations of the mean.

Name: If a process is in control, we expect all the data values to fall within two standard deviations of the mean.
Brand: Quizplus
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Quizplus · Accepted Answer

In a process that is in control, we expect about 95% of the data values to fall within two standard deviations of the mean, but we typically use three standard deviations from the mean to account for 99.73% of the data, which is a more common standard for determining control.

If a Process Is in Control, We Expect All the Data