1. Models that suggest a desirable course of action are called descriptive models

Chapter 1 - Introduction to Modeling Page 1

Practical Management Science 6th Edition Winston Test Bank True / False

• Models that suggest a desirable course of action are called descriptive models
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TOPICS: 1.1 Introduction

OTHER: BUSPROG-Communication DISC- Mathematical Modeling

DATE CREATED: 5/17/2017 3:39 PM

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• In modeling situations where it is not possible to write an equation for an output in terms of the inputs, there may still

be a mathematical procedure for calculating outputs from inputs.

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• In a descriptive model, the manager first wants to build a model that reflects the current situation.
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Chapter 1 - Introduction to Modeling Page 2

TOPICS: 1.4 A Seven Step Modeling Process - Step 4 Model Verification

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• One of the advantages of spreadsheet models is that they allow managers to ask what-if questions.
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TOPICS: 1.2 A Capital Budgeting Example - An Optimization Model

OTHER: BUSPROG-Communication DISC- Mathematical Modeling

DATE CREATED: 5/17/2017 3:39 PM

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• One of the arguments that management science practitioners have used to criticize the emphasis on specific models is

that they do not provide the correct answer.

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TOPICS: 1.3 Modeling Versus Models

OTHER: BUSPROG-Communication DISC- Mathematical Modeling

DATE CREATED: 5/17/2017 3:39 PM

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• The overall modeling process typically done in practice always requires seven steps: define the problem, collect and

summarize data, develop a model, verify the model, select one or more suitable decisions, present the results to the organization, and finally implement the model and update it through time.

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Chapter 1 - Introduction to Modeling Page 3

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• Modeling is a process where the essence of a theoretical problem is extracted into a model, spreadsheet or otherwise.
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TOPICS: 1.4 A Seven Step Modeling Process - Step 1 Problem Definition

OTHER: BUSPROG-Communication DISC- Mathematical Modeling

DATE CREATED: 5/17/2017 3:39 PM

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• In some applications, an analyst might present several alternative solutions from a model, and let the organization

choose the best one.

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TOPICS: 1.4 A Seven Step Modeling Process - Step 3 Model Development

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DATE CREATED: 5/17/2017 3:39 PM

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• A management science model is typically initiated when an organization believes it has a problem.
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Chapter 1 - Introduction to Modeling Page 4

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TOPICS: 1.4 A Seven Step Modeling Process - Step 4 Model Verification

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DATE CREATED: 5/17/2017 3:39 PM

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• Data are often not in the required form, in which case it is the analysts' job to gather the right data and put it into an

appropriate format.

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TOPICS: 1.4 A Seven Step Modeling Process - Step 3 Model Development

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DATE CREATED: 5/17/2017 3:39 PM

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• A good model should achieve the right balance between being too simple and too complex.
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TOPICS: 1.4 A Seven Step Modeling Process - Step 4 Model Verification

OTHER: BUSPROG-Analytic DISC- Mathematical Modeling

DATE CREATED: 5/17/2017 3:39 PM

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• Verification is typically the most difficult phase of the modeling process, from a mathematical perspective.
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