Question: A manager wishes to build a control chart for a process. A total of five (05) samples are collected with five (05) observations within each

A manager wishes to build a control chart for a
A manager wishes to build a control chart for a process. A total of five (05) samples are collected with five (05) observations within each sample. The sample means X-barare; 15.36, 14.61,1636,20.28, and 15.77 respectively. Also, the corresponding ranges are 10.79.8.37 2.818.17, and 337 respectively. The lower and upper controllimits of the x-bar chart are respectively Select one O 21655, 1147 6.12.00,2036 None is correct d. 12.40, 19.72 1855, 1347

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