Data for use in constructing a control chart have been collected on the weight of a bottle of medicine Six samples were collected early in the morning and measured as follows Time Weight in grams 9 00 AM 50 46 51 47 9 15 AM 44 46 47 46 9 30 AM 49 46 47 50 9 45 AM 48 47 44 44 10 00 AM 48 52 45 49 10 15 AM 49 45 48 46 Determine the upper and lower control limits for a (three sigma) X chart Show all your work Upper control limit Lower control limit

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Question: Data for use in constructing a control chart have been collected on the weight of a bottle of medicine. Six samples were collected early in

Data for use in constructing a control chart have been collected on the weight of a bottle of medicine. Six samples were collected early in the morning and measured as follows:

	Time		Weight in grams
9:00 AM		50		46	51	47
9:15 AM		44		46	47	46
9:30 AM		49		46	47	50
9:45 AM		48		47	44	44
10:00 AM		48		52	45	49
10:15 AM		49		45	48	46

Determine the upper and lower control limits for a (three-sigma) X chart. Show all your work.

Upper control limit = ___________

Lower control limit = ___________

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