The Process Mean and Standard Deviation Can Be Estimated by Using

question 19

Multiple Choice

The process mean and standard deviation can be estimated by using samples that are selected from the process when​

• A) ​it has only assignable-cause variation.
• B) ​its output is uniformly distributed.
• C) ​it is assumed to be operating in control.
• D) ​it is operating at peak capacity.

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