Which of the followingcan be a source of input data for a simulation model?
a. Historical records
b. Observations
c. Interviews
d. All of the above
D
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If the future performance of a product is covered by its warranty, then a breach occurs:
A. when the buyer complains to the manufacturer about a defect in the product. B. at the time the buyer should have discovered the defect in the product. C. one year after the defect in the product is discovered by the buyer. D. when the purchase is marked as complete, and the product is delivered to the buyer.
Sampling efficiency is a concept that reflects a tradeoff between sampling cost and precision
Indicate whether the statement is true or false
Which statement is not true concerning interactions resulting from ANOVA?
A) In disordinal interactions of a crossover type, the relative effect of the levels of one factor changes with the levels of the other. B) Because it involves a change in rank order, disordinal interaction is stronger than ordinal interaction. C) Disordinal interactions of a crossover type represent the weakest interactions. D) In ordinal interaction, the rank order of the effects related to one factor does not change across the levels of the second factor.
Flexibility within operations is based on product ______ and ______.
a. volume; type b. type; variety c. classification; variety d. volume; variety