In designing a control chart,the statistician must select a sample size and a sampling frequency.These decisions are based on which factors:
A)Cost of making Type I and Type II errors.
B)Length of the production run.
C)Typical change in the process distribution when the process goes out of control.
D)All of these choices are true.

Question

Quizplus · Accepted Answer

All of these factors should be considered when designing a control chart. The cost of errors, length of the production run, and typical changes in the process distribution are all important factors that can affect the decision on sample size and sampling frequency. Therefore, it is important to consider all of these factors when designing a control chart.

In Designing a Control Chart,the Statistician Must Select a Sample