Question

Which of the following is true of a p-chart?

A) The lower control limit is found by subtracting a fraction from the average number of defects.

B) The lower control limit indicates the minimum acceptable number of defects.

C) The lower control limit equals D3 times p-bar.

D) The lower control limit may be at zero.

E) The lower control limit is the same as the lot tolerance percent defective.

Answer

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