What is a mathematical model?

An abstract representation of a problem

What is the primary goal of prescriptive analytics?

To provide recommendations for action

What makes MIP different from LP?

It includes integer decision variables

Which of these is true about linear programming (LP)?

All decision variables have an exponent of 1

What is the purpose of slicing in an OLAP cube?

To analyze a single dimension in detail

What is operations research?

A decision-making method using math models

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Business Informatics Lecture 10

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Questions 20

Answers

1
What does ETL stand for in data warehousing?
Extract, Transform, Load
Evaluate, Transform, Link
Extract, Transfer, Load
Export, Transfer, Log
2
What is a mathematical model?
A visualization tool
An abstract representation of a problem
A programming language
A financial forecasting method
3
Which of the following is NOT a component of a data warehouse?
Dashboard Applications
Data Marts
Metadata
OLTP System
4
How has MIP solution software improved in the last 30 years?
Over 1,000,000 times faster
100 times faster
10 times faster
1,000 times faster
5
Which method is commonly used for Association Rule Mining?
Linear Regression
Decision Trees
Apriori Algorithm
K-Means Clustering
6
Which of these is a risk in applying OR methods?
Higher Costs
Improved Efficiency
Missing Transparency
Faster Decision Making
7
What is the primary goal of prescriptive analytics?
To predict future trends
To summarize business reports
To describe past data
To provide recommendations for action
8
What constraint is most likely included in a production planning model?
Employee happiness level
Maximum social media followers
Website traffic rate
Production capacity limits
9
Which is a real-world application of Operations Research?
Social Media Advertising
Graphic Design
Customer Service Calls
Supply Chain Optimization
10
Which solution method is used for LP problems?
Monte Carlo Simulation
Decision Trees
Neural Networks
Primal Simplex Method
11
What makes MIP different from LP?
It allows fractional variables
It does not require constraints
It includes integer decision variables
It is faster to solve
12
Which of these is true about linear programming (LP)?
It cannot be solved efficiently
All decision variables have an exponent of 1
It only works with integer numbers
It allows nonlinear functions
13
What is the purpose of slicing in an OLAP cube?
To remove unimportant data
To increase database speed
To merge different datasets
To analyze a single dimension in detail
14
Which is a common approach to solving MIP problems?
Support Vector Machines
Random Sampling
Heuristic Search
Branch-and-Bound
15
What is the first step in the OR-based decision-making process?
Decision Evaluation
Data Collection
Problem Modeling
Solution Implementation
16
Which of the following is an NP-hard problem?
Pie Chart Creation
Simple Addition
Linear Programming
Mixed Integer Programming
17
What is operations research?
A study of financial markets
A decision-making method using math models
A research on business operations
A software development approach
18
Which tool can be used to solve Linear Programming problems?
Excel Solver
Photoshop
PowerPoint
Word Processor
19
Which of these is a key element of a mathematical model?
Decision variables
Company profits
User interface
Customer reviews
20
Which of the following is a predictive analytics method?
Optimization Models
Dashboard Reporting
Classification
Data Visualization

Business Informatics Lecture 10 Flashcards | StudBud