Question: c) What are the control limits for the range chart? d) Is the process in control? (a and b are in the picture) $6.10 A
c) What are the control limits for the range chart? d) Is the process in control?
(a and b are in the picture)

$6.10 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 standard deviation is 1.36 . a) What is the process standard deviation ? What is x ? b) If z=3, what are the control limits for the mean chart
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