If the lower control limit for the p chart is negative,we set it equal to

A) 2
B) 1
C) 0
D) None of these choices.

Question

If the lower control limit for the p chart is negative,we set it equal toA) 2B) 1C) 0D) None of these choices.

Patrick Bauer · Accepted Answer

Final Answer : C, Explanation :  In statistical quality control, the lower control limit (LCL) for a p chart, which monitors the proportion of defective items in a sample, cannot be negative because a proportion cannot be less than 0. Therefore, if the calculated LCL is negative, it is set to 0.

If the lower control limit for the p chart is negative,we set it equal to

A) 2
B) 1
C) 0
D) None of these choices.

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