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MGX3771 - Operations management - S2 2025
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A control chart of one process shows the following information: UCL and LCL for X-bar chart are 106 and 96, and UCL and LCL for R chart are 16 and 0. If one sample with a number of observations of five has the following data points: 108, 94, 109, 111, and 95; which of the following statements is correct?
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You just computed the Cpk of a process that produced: "min [1 ; 0.8]." Which of the following is the possible scenario that reflects the process capability?
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Which of the following should use an X-bar chart based on sample means to monitor process quality?
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Which of the following refers to the definition of "conformance quality"?
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The mean value of a process is 1000mm with standard deviation of 10mm. If the product specification shows the target of 995±30mm, which of the following statements with regards to the process is correct?
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Which of the following is a correct statement about Q-model and P-model of inventory control?
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A company has supplier’s lead time of 10 days and the number of days between reviews (review period or cycle) is 15. Which of the following is the standard deviation of demand over the review and lead time period if daily demand is 100 units and the standard deviation of daily demand is 10 units?
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Assuming no safety stock, what is the re-order point given an average daily demand of 50 units, a lead time of 10 days and currently there is 625 units on hand inventory?
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Which of the following is the economic order quantity (EOQ) for an annual demand of 12,500 units, setup cost of $90, and annual holding cost per unit of $4?
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If the annual demand of 36,000 units, the cost per order of $80, and the holding cost per unit per year of $4, which of the following is the total ordering cost of the order quantity that produces the lowest annual total inventory cost?
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