Question: 2. Statistical Quality Control. You are going to develop an R-chart based on range statistics, and you are using a sample size (number of observations)

2. Statistical Quality Control. You are going to develop an R-chart based on range statistics, and you are using a sample size (number of observations) of 7 for your charting purposes. Which of the following is the lower control limit D3 factor for the chart? 3. Assume that the annual demand is D = 4,000 units, the optimum order quantity from a supplier to meet the demand is Q = 450 units, and the annual holding cost per unit is H = $2. How much is the total holding cost?

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