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 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

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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