Data Mining
Quiz
•
Computers
•
University
•
Practice Problem
•
Hard
Sathiya Priya
Used 54+ times
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15 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 2 pts
Data mining should have been more appropriately named as
data dredging
knowledge mining from data
knowledge extraction
data/pattern analysis
data archaeology
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Examples of time-related or sequence data are
historical records, stock exchange data, and time-series ,biological sequence data
video surveillance, sensor data
the design of buildings, system components, or integrated circuits
text, image, video, audio data
None of the above
3.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
What are the functions of Data Mining?
Prediction and characterization
Association and correctional analysis classification
Cluster analysis and Evolution analysis
All of the above
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which of the following is an essential process in which the intelligent methods are applied to extract data patterns?
Warehousing
Data Mining
Text Mining
Data Selection
5.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
The output of data characterization can be presented in various forms
pie charts
bar charts
curves and multidimensional tables
multidimensional data cubes
all of the above
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
A frequent itemset typically refers to
items bought in sequential manner
a set of items that often appear together
structural forms
none of the above
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
buys(X, “computer”) ⇒ buys(X, “software”) [support = 1%,confidence = 50%] is
multidimensional association rule
Correlation rule
single-dimensional association rule
All of the above
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