All else being constant,if the sample size in a p-chart increases from 100 to 120,the upper and lower control limits will:
A)move farther apart.
B)move closer together.
C)not be affected.
D)both shift upward.

Question

Quizplus · Accepted Answer

When the sample size in a p-chart increases, the standard error decreases because it is inversely related to the square root of the sample size. This causes the upper and lower control limits, which are calculated based on the standard error, to move closer together.

All Else Being Constant,if the Sample Size in a P-Chart