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TABLE 9-6
The quality control engineer for a furniture manufacturer is interested in the mean amount of force necessary to produce cracks in stressed oak furniture. She performs a two-tail test of the null hypothesis that the mean for the stressed oak furniture is 650. The calculated value of the Z test statistic is a positive number that leads to a p-value of 0.080 for the test.
-Referring to Table 9-6, if the test is performed with a level of significance of 0.05, the engineer can conclude that the mean amount of force necessary to produce cracks in stressed oak furniture is 650.
Reorder Point
The inventory level at which a new order should be placed to replenish stock before it runs out, considering lead times.
Average Inventory
The mean amount of inventory held over a specific period, used to calculate turnover rates and order quantities.
Service Level
A measure of the quality of service provided to customers, often reflected in the availability or reliability of a service.
Safety Inventory
Extra inventory kept on hand to guard against variability in demand or supply and prevent stockouts.
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