Operations Research Basics
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Questions and Answers

What is a key consideration when defining a problem according to the OR/QA/MS/DS Approach?

  • Relying solely on quantitative factors for problem definition.
  • Developing a vague statement to keep flexibility.
  • Focusing on as many problems as possible simultaneously.
  • Identifying the true causes beyond just symptoms. (correct)

Which of the following is NOT a common technique for developing a solution in quantitative analysis?

  • Guessing randomly. (correct)
  • Trial and error.
  • Solving equations.
  • Complete enumeration.

What is the purpose of sensitivity analysis in quantitative analysis?

  • To determine how much results will change based on model or input data changes. (correct)
  • To ensure the results are always accurate.
  • To completely change the direction of the analysis.
  • To confuse analysts by introducing irrelevant data.

Why is it important that input data for quantitative analysis models follow the GIGO rule?

<p>To avoid garbage in, garbage out situations. (A)</p> Signup and view all the answers

What type of models are realistic, solvable, and understandable mathematical representations of a situation in quantitative analysis?

<p>Quantitative Analysis Models (C)</p> Signup and view all the answers

What may be necessary during the step of developing a clear problem statement in the OR/QA/MS/DS Approach?

<p>Concentrating on only a few of the problems. (B)</p> Signup and view all the answers

What type of models characterize or estimate system performance?

<p>Stochastic Models (A)</p> Signup and view all the answers

Which modeling approach assumes all data are known with certainty?

<p>Deterministic Models (A)</p> Signup and view all the answers

In the equation 'Asset - Liabilities = Capital', what does 'Capital' represent?

<p>Owner's Equity + Income - Expenses (D)</p> Signup and view all the answers

Which area of study involves waiting lines and system optimization?

<p>Queuing Theory (A)</p> Signup and view all the answers

What type of models explicitly represent uncertain data using random variables?

<p>Continuous-Time Markov Chains (D)</p> Signup and view all the answers

What are the primary application areas of Operations Research?

<p>Forecasting, production scheduling, inventory control, capital budgeting, and transportation (A)</p> Signup and view all the answers

What does Operations Research aim to provide in decision-making?

<p>Rational bases for decision making (A)</p> Signup and view all the answers

Which of the following best describes the process of Operations Research?

<p>A quantitative approach to decision making based on the scientific method (B)</p> Signup and view all the answers

What are the main components of Operations Research according to the text?

<p>Mathematical modeling, solution techniques, communication of results (C)</p> Signup and view all the answers

How do OR professionals predict system behavior and improve system performance?

<p>By using analytical and numerical techniques (B)</p> Signup and view all the answers

What is the key characteristic of the scientific method in Operations Research?

<p>Observation and testing (B)</p> Signup and view all the answers

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