OM can go to hell
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Title of test: OM can go to hell Description: i need help Creation Date: 2025/04/07 Category: Others Number of questions: 19
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What is the first step in the AHP method? Compute consistency ratio Define the problem and establish the hierarchy Perform pairwise comparisons Calculate the eigenvector. What is the geometric mean used for in AHP? To normalize all comparisons To eliminate inconsistency To compute the relative weight of each criterion To find the maximum eigenvalue. What happens when a DMU’s efficiency score is less than 1? It is considered inefficient It is considered the best performer It has the optimal input-output ratio It must be removed from the analysis. What does the denominator in the DEA efficiency ratio represent? The total number of patients treated The sum of weighted inputs the number of decision-making units The hospital's financial cost . What is the key assumption in DEA? The number of inputs must equal the number of outputs Inputs and outputs are independent Weights are fixed for all DMUs All DMUs operate under the same conditions. In DEA, how are efficiency scores typically interpreted? A score of 1 means the DMU is inefficient A score greater than 1 means the DMU is highly efficient A score of 1 means the DMU is optimally efficient A score less than 1 means the DMU is the best performer. What does PERT stand for? Program Evaluation and Review Technique Project Estimation and Resource Technique Process Enhancement and Resource Tracking Project Execution and Risk Tracking . How does PERT handle uncertain activity durations? By assigning a single fixed time for each activity By ignoring uncertainty in task durations By setting activity durations based on the shortest estimated time By using 3 time estimates : Optimistic , Most likely and perssimistic . How does CPM differ from PERT? CPM is probabilistic , while PERT is deterministic Both CPM and PERT use three time estimates for activities CPM is deterministic , while PERT is probabilistic PERT is used only for small projects, while CPM is for large projects . What is the critical path in a project network? The longest path through the network The shortest path through the network The path with the most dummy activities the path with the highest cost . How is slack (or float) calculated? Slack = ES - EF Slack = LF - EF Slack = EF - LF Slack = LS + ES. What happens if a non-critical activity is delayed beyond its slack time? The project completion time increases The project cost decreases The activity is removed from the project The critical path changes but the project duration remains the same . A CR value above 0.10 indicates: A) Strong consistency B) Acceptable judgment C) Inconsistency in pairwise comparisons D) Automatic decision approval . AHP helps break down complex decisions into: A) Simple facts B) Linear steps C) Hierarchies D) Graphs . AHP can be combined with: A) Games and puzzles B) Fuzzy logic and machine learning C) None of the above D) Weather forecasting . Rank reversal happens when: A) The same weights are used B) Alternatives are removed or added C) CR is zero D) Data is all numeric . AHP assumes criteria are: Interdependent Always changing Fixed in value Independent. What does scale efficiency refer to in DEA? How well the DMU uses its resources Whether a unit is too small or too large The input-output relationship The efficiency of individual employees. What does the BCC model account for that the CCR model does not? Technical inefficiency Random errors in data Scale inefficiency Input optimization. |
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