Question: 1. Whole Grains LLC uses statistical process control to ensure that their health-conscious, low-fat, multi-grain sandwich loaves have the proper weight of 6 oz. Over

1. Whole Grains LLC uses statistical process

1. Whole Grains LLC uses statistical process control to ensure that their health-conscious, low-fat, multi-grain sandwich loaves have the proper weight of 6 oz. Over the past few days, they have taken five observations of four samples and have found the following. Construct the upper and control limits. Do the results suggest that the process is in control? Observations 1 2 3 Loaf #2 6.0 6.1 Loaf #1 6.3 6.0 6.3 6.2 6.5 31.3 4.8 Loaf #3 5.9 6.3 5.6 6.2 6.5 30.5 8 | 9 | | | Loaf #4 5.9 5.8 5.3 5.9 6.8 29.7 4 8 | T| | | 6.0 6.4 29.3 5 Totals a. Determine the mean and range of each sample. b. Compute for the average mean and average range. c. From the table (Factors of three-sigma control limit for and R charts), obtain A2, D4, and D3. d. Compute for the upper and lower limits. e e. Determine if the results suggest that the process is in control

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