Which of the following does NOT represent one of the advantages of mathematical modeling?

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A model can be used to communicate problems and solutions to others.

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Models can help a decision maker formulate problems.
Models can provide insight and information.
A model can solve complex problems in a timely fashion.
None of the above

Which of the following is a qualitative factor rather than a quantitative factor?

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weekly sales for a company
new legislation
total production cost
gross national product
all of the above

Postoptimality analysis is most closely associated with

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collecting input data.
developing a model.
sensitivity analysis.
writing a computer program.
none of the above

Excel is an example of

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a spreadsheet.
an expert system.
a database.
artificial intelligence.
none of the above

Which of the following would explain why some people would resist changes in operations based on quantitative analysis?

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It might reduce the power of decision makers.
It might expose previous decisions as being inadequate.
Managers often prefer to see things done quickly.
all of the above
none of the above

All of the following are potential roadblocks that arise in the problem definition phase EXCEPT:

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validity of the data.
conflicting viewpoints.
impact on other departments.
solution is outdated.
none of the above

A controllable variable is also called a

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parameter.
decision variable.
mathematical model.
measurable quantity.
none of the above

Evaluating all possible values of a variable in a model is called

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trial and error.
complete enumeration.
an algorithm.
variablization.
none of the above

Most of the models discussed in this book are

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schematic.
scale models.
physical models.
mathematical models.
none of the above

Once a solution has been implemented, it is usually recommended to

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adhere to it for life.
impose it on all managers and departments.
closely monitor it for any change in environmental factors and assumptions of the initial model.

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immediately throw it and come up with some other way.
none of the above
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