Turban04_tif - Chapter 4 Modeling and Analysis True-False...

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39 Chapter 4 Modeling and Analysis True-False Questions 1. A DSS can be composed of several models, some standard and some custom built, used collectively to support strategic decisions in the company. Answer : True Difficulty : Easy Page Reference : 136 2. The predictive analytics is essential for construction and manipulation of models because when a decision is implemented, the results usually occur in the future. Answer : True Difficulty : Easy Page Reference : 138 3. Integrity and applicability issues are not important to models. Answer : False Difficulty : Moderate Page Reference : 140 4. DSS uses mostly qualitative models, whereas expert systems use quantitative models in their applications. Answer : False Difficulty : Moderate Page Reference : 141 5. To utilize models and solution techniques effectively, one must truly gain experience through developing and solving simple ones. Answer : True Difficulty : Easy Page Reference : 141 6. Modeling involves data analysis with trend lines and establishing relationships with statistical methods. Answer : False Difficulty : Easy Page Reference : 141 7. In decision making under uncertainty, the decision maker considers situations in which several outcomes are possible for each course of action. In this case, the decision maker can estimate the probability of occurrence of the possible outcomes. Answer : False Difficulty : Easy Page Reference : 144 8. The pessimistic approach assumes that the best possible outcome of each alternative will occur and then selects the best of the bests (stocks). Answer : False Difficulty : Easy Page Reference : 149
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40 9. Result variables are considered dependent variables. In the case of a dependent variable, another event must occur first before the event described by the variable can occur. Answer : True Difficulty : Easy Page Reference : 151 10. One of the assumptions of the Linear Programming allocation model is that not all data are known with certainty. Answer : False Difficulty : Moderate Page Reference : 154 11. Allocation problems typically have a large number of possible solutions. Depending on the underlying assumptions, the number of solutions can be either infinite or finite. Answer : True Difficulty : Easy Page Reference : 154 12. Today’s management systems are designed to help managers attain simultaneous, but at times, conflicting goals. Answer : True Difficulty : Moderate Page Reference : 158 13. It is difficult to analyze multiple goals because goals and subgoals are viewed differently at various levels of the organization and within different departments. Answer : True Difficulty : Moderate Page Reference : 158 14. Sensitivity analyses are used for obtaining better estimates of sensitive external variables. Answer
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This note was uploaded on 12/29/2010 for the course FCIT 100 taught by Professor Dr.adam during the Spring '10 term at Katholieke Universiteit Leuven.

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Turban04_tif - Chapter 4 Modeling and Analysis True-False...

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