Concept explainers
a)
Interpretation: Compare the cost the policy obtained by heuristic lot-sizing method for the given example that obtained using EOQ.
Concept Introduction: Heuristic lot-sizing method is one of the Economic order Quantity(EOQ) model. The main aim of this method is that product demand may vary over the time.it is also called generalization of the inventory theory model.it will determine the economic lot size by order cost.
b)
Interpretation: Determine the advantages of the POQ approach over EOQ.
Concept Introduction: EOQ (Economic Order Quantity) defines that products are produced with the perfect quality making the cost of production based on the demand.POQ (Production Order Quantity) defines that demand is the increasingly function of the time and rate of production is proportional to the demand.
c)
Interpretation: Discuss about POQ method will be more cost effective in general than heuristic methods.
Concept Introduction: POQ (Production Order Quantity) is one of the free template to determine the production volume of the every production for goods with the demand. Through POQ, goods and materials will shipping in more at the time.
d)
Interpretation: Solve the given problem using POQ method and compare the total holding and set up cost with that obtained by the other methods.
Concept Introduction: One of the model is POQ is that quantity of the goods to be produced and when to order that produced goods are under the aim of the POQ.it is mainly used for Products produced time and sold to same time.
e)
Interpretation: Solve the given problem using POQ method and compare the total holding and set up cost with that obtained by the other methods.
Concept Introduction: In POQ model, each and every product will be produced only after the order placed by the company to the suppliers.POQ will be calculated by minimizing the total cost per order by obtaining the derivation of the first order to empty (Zero).
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Chapter 8 Solutions
EBK PRODUCTION AND OPERATIONS ANALYSIS
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- Management at Webster Chemical Company is concerned as to whether caulking tubes are being properly capped. If a significant proportion of the tubes are not being sealed, Webster is placing its customers in a messy situation. Tubes are packaged in large boxes of 144. Several boxes are inspected, and the following numbers of leaking tubes are found: Sample Tubes Sample Tubes Sample Tubes 1 7 8 7 15 7 2 7 9 8 16 9 3 6 10 7 17 3 4 4 11 1 18 7 5 8 12 8 19 7 6 7 2 9 13 14 1 20 6 7 Total 121 Calculate p-chart three-sigma control limits to assess whether the capping process is in statistical control. The UCLp equals and the LCLp equals (Enter your responses rounded to three decimal places. If your answer for LCLp is negative, enter this value as 0.)arrow_forwardAspen Plastics produces plastic bottles to customer order. The quality inspector randomly selects four bottles from the bottle machine and measures the outside diameter of the bottle neck, a critical quality dimension that determines whether the bottle cap will fit properly. The dimensions (in.) from the last six samples are Bottle Sample 1 2 3 4 1 0.624 0.586 0.602 0.591 2 0.613 0.599 0.578 0.618 3 0.606 0.585 0.587 0.623 4 0.581 0.623 0.571 0.610 5 0.609 0.610 0.623 0.617 6 0.605 0.573 0.570 0.602 Click the icon to view the table of factors for calculating three-sigma limits for the x-chart and R-chart. Suppose that the specification for the bottle neck diameter is 0.600 ± 0.050 in. and the population standard deviation is 0.014 in. a. What is the process capability index? The Cpk is (Enter your response rounded to two decimal places.)arrow_forwardHow would you handle the Apple 'batterygate' scandal as an operations manager? What quality measures would you take to fix the problem and prevent it from happening again? When would you implement these measures and communicate with the stakeholders?arrow_forward
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