Question: A process that is considered to be in control measures an ingredient in ounces. Below are the last 10 samples (each of size n =

A process that is considered to be in control measures an ingredient in ounces. Below are the last 10 samples (each of size n = 5 ) taken. The population process standard deviation, s, is 1.36.

a) What is sx ?

b) If z = 3, what are the control limits for the mean chart?

c) What are the control limits for the range chart?

d) Is the process in control?

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