Question: Whole Grains LLC uses statistical process control to ensure that its health-conscious, low-fat, multigrain sandwich loaves have the proper weight. Based on a previously stable

Whole Grains LLC uses statistical process control

Whole Grains LLC uses statistical process control to ensure that its health-conscious, low-fat, multigrain sandwich loaves have the proper weight. Based on a previously stable and in-control process, the control limits of the x- and R-charts are: Sample 1 2 3 4 5 Net Weight Loaf # 2 Loaf # 3 5.7 5.9 5.5 4.7 5.0 5.5 5.3 5.1 5.0 Loaf # 1 6.0 5.1 5.0 5.1 4.9 5.4 0 0 0 LOL LOL Oto Loaf # 4 5.9 5.4 4.9 5.3 5.3 LOLOLOLO UCLx=5.61, LCL = 5.15; UCLR = 0.782, LCLR = 0. = = Over the past few days, it has taken five random samples of four loaves each and have found the results provided. Based on the x-chart, is one or more samples beyond the control limits? Based on the R-chart, is one or more samples beyond the control limits? D Yes No

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