Question: Inspectors want to develop process control charts to check the weights of cartons of Plaster of Paris. They take ten samples of seven boxes each

Inspectors want to develop process control charts to check the weights of cartons of Plaster of
Paris. They take ten samples of seven boxes each and weigh them. Based on the following data,
compute the lower and upper control limits for both x-bar and R-charts. Determine whether the
process is in control.
Inspectors want to develop process control charts to check the weights

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