Question: Compute the upper control limit for an S chart, based on a sample size of 10, if the process is in control with a mean

Compute the upper control limit for an S chart, based on a sample size of 10, if the process is in control with a mean of 40 and a sample standard deviation of 7.

Select one:

a. 12.0

b. 21.0

c. 13.3

d. 15.7

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