Short Answer
Samples
Twenty-five samples of size 4 were taken from a production process.The mean of the sample means is = 13.9.The process standard deviation is known to be = 3.5.The sample means are listed below.
-Calculate the centerline and control limits for the 3-sigma chart
Centerline = ____________________
Lower value = ____________________
Upper value = ____________________
Correct Answer:

Verified
Correct Answer:
Verified
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