BIS 445 DeVry Week 4 Quiz Latest

BIS 445 DeVry Week 4 Quiz Latest
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BIS 445 DeVry Week 4 Quiz Latest
BIS445
BIS 445 DeVry Week 4 Quiz Latest
1. Question : (TCO 2) Which of the following is a key element in most DSS and a necessity in a model-based
DSS?
o
o
o
o
Database
Analytical model
Modeling
Business intelligence
Question 2. Question : (TCO 2) Which of the following techniques is used to solve optimization problems that
have few alternatives?
o
o
o
o
Trial-and-error
Binary search
Expert systems
Decision trees
Question 3. Question : (TCO 3) Decision situations are often classified on the basis of what the decision maker
knows about the forecasted results. Which of the following is one of the categories?
o
o
o
o
Indecision
Firmness
Ambiguity
Certainty
Question 4. Question : (TCO 2) A model builder makes predictions and assumptions regarding the input data,
many of which deal with the assessment of uncertain futures. Which of the following attempts to assess the impact of
a change in the input data or parameters on the proposed solution?
o
o
o
o
Mathematical relationships
Decision analysis
Goal programming
Sensitivity analysis
Question 5. Question : (TCO 3) Which of the following calculates the values of the inputs necessary to achieve
a desired level of an output?
o
Goal seeking analysis

o
o
o
Decision analysis
Trial-and-error
Sensitivity analysis
Question 6. Question : (TCO 2) Data mining is tightly positioned at the intersection of many disciplines. Those
disciplines include all of the following, except:
o
o
o
o
management science.
statistics.
information systems and databases.
logistics.
Question 7. Question : (TCO 3) Which of the following packages are preprogrammed (sometimes called readymade)
models and optimization systems that sometimes serve as building blocks for other quantitative models?
o
o
o
o
Quantitative software
Qualitative software
Development tool
Application
Question 8. Question : (TCO 3) On the commercial side, the most common use of data mining has been in
________ sectors.
o
o
o
o
manufacturing and heath care
finance, retail, and health care
online retail and government
R&D and scientific
Question 9. Question : (TCO 2) What is a major characteristic of data mining?
o
o
o
o
Data mining tools are readily combined with spreadsheets and other software development tools.
Because of the large amounts of data and massive search efforts, it is sometimes necessary to use serial
processing for data mining.
Data are often buried within numerous small and large databases, which sometimes contain data from several
years.
The miner needs sophisticated programming skills.
Question 10. Question : (TCO 3) Data that has a meaningful, or nonarbitrary, zero point is ________ data.
o
o
o
o
categorical
nominal
interval
ratio
Question 11. Question : (TCO 3) Data mining seeks to identify patterns in the data. All of the following are major
types of patterns, except:
o
o
o
o
associations.
regression.
predictions.
clusters.
Question 12. Question : (TCO 3) ________ are, essentially, a hierarchy of if-then statements. They are most
appropriate for categorical and interval data.
o
Neural nets

o
o
o
Clusters
Decision trees
Time-series
Question 13. Question : (TCO 2) The simple split methodology splits the data into two mutually exclusive subsets
called a ________ set and a ________ set.
o
o
o
o
training; test
positive; negative
holdout; training
matrix; test
Question 14. Question : (TCO 3) A good question to ask with respect to the patterns/relationships that
association rule mining can discover is, "Are all association rules interesting and useful?" In order to answer such a
question, association rule mining uses two common metrics: ________ and ________.
o
o
o
o
mean; median
support; confidence
standard deviation; confidence interval
regression; distance measure
Question 15. Question : (TCO 3) ________ is a decision making method that analyzes the risk associated with
different alternatives.
o
o
o
o
Goal seeking
What-if analysis
Risk analysis
Risk matrix