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Bars of Rex Crunch, an energyr snack bar, are labelled "net: 60 a." To determine if the production process was in statistical control, a sample of 5 bars was selected from the production lot each day for 10 days. The mass of each bar (in grams], along with the sample range and mean are shown in the table below [some values are missing). a} Determine the missing values. The missing sample observation is the minimum value for each of the samples taken on Days 2, 3 and 3 while for Day 9, the missing sample observation is the maximum. Bari Barz Bar3 Bard Bars Range Mea n Table of Control IChart: Constants Suppose the centrelines for the range and mean charts for this process are at 4.2 and {10.942 respectively. bi Calculate the control limits for the Rchart accurate to 2 decimal places. LCLR = | UGLH = i c) Calculate the control limits for the -chart accurate to 2 decimal places. d} Is the process mean or range out of control ? No. Noltherihe process mean nor range is out of control. v " LOLE