Is the process still in control

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Reference no: EM1375798

Q. Midwest Nut Organization produces cans of mixed-nuts on a high volume assembly line. Using data of last two months, it established average also range control charts to monitor the can-weight (utilizing samples of 5 cans). The control limits of X-bar also R chart are respectively as follows:

X-bar Chart: UCL = 4.25 also LCL = 3.75 also R Chart: UCL = 1.00 also LCL = 0

A recent sample is: 3.7; 4.1; 3.8; 4.1; also 4.0.

(a) Is the process still in control? (b) Explain why or explain why not? (Show all your calculations)

Reference no: EM1375798

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