You are sampling items from a batch and plotting the results on a control chart. How will an increase in the number of items sample affect the value of the standard deviation used to set the control limit?

first increase it, then decrease it

You are sampling items from a batch and plotting the results on a cont

1.	You are sampling items from a batch and plotting the results on a control chart. How will an increase in the number of items sample affect the value of the standard deviation used to set the control limit?
A.	increase it
B.	decrease it
C.	no effect on it
D.	first increase it, then decrease it
Answer» C. no effect on it

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You are sampling items from a batch and plotting the results on a control chart. How will an increase in the number of items sample affect the value of the standard deviation used to set the control limit?

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