Valfrutos2912
Valfrutos2912
25.10.2019 • 
Mathematics

Organic 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 overbar- and r-charts are: ucl subscript x overbar = 4.93, lcl subscript x overbar = 4.45; ucl subscript upper r = 0.459, lcl subscript upper r = 0. over the past few days, they have taken five random samples of four loaves each and have found the following: net weight sample loaf # 1 loaf # 2 loaf # 3 loaf # 4 1 5.2 5.1 5.2 5.3 2 4.7 4.6 4.7 4.7 3 4.4 4.1 4.4 4.1 4 4.7 5.0 4.8 4.6 5 4.5 4.4 4.5 4.2 based on the x overbar-chart, is one or more samples beyond the control limits? yes . based on the r-chart, is one or more samples beyond the control limits? yes .

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