Question: 1.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

1.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:

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

Upper control limit = ___________

Lower control limit = __________

Time

Weight in grams

9:00 AM

50

46

55

49

9:15 AM

44

46

48

46

9:30 AM

49

46

47

50

9:45 AM

50

47

44

45

10:00 AM

48

51

48

49

10:15 AM

49

45

48

46

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