
Quiz on Cluster Analysis

Quiz
•
Computers
•
University
•
Hard
Krishndeo Pawar
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the primary goal of cluster analysis?
To predict future data trends
To classify data into predefined categories
To group similar data objects into clusters
To visualize data in a two-dimensional space
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following is a characteristic of a good clustering method?
High computational cost
High inter-class similarity
Low intra-class similarity
High intra-class similarity
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In the k-means clustering algorithm, what does 'k' represent?
The number of iterations
The number of clusters
The number of data points
The number of features
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What type of clustering does the k-medoids algorithm use?
Randomly selected points as centers
Hierarchical structure
Actual data points as cluster centers
Centroids as cluster centers
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which clustering method is known for handling noise and outliers effectively?
K-medoids
DBSCAN
K-means
Hierarchical clustering
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is a dendrogram?
A statistical measure of cluster quality
A method for calculating distances
A visual representation of hierarchical clustering
A type of clustering algorithm
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following is NOT a type of clustering approach?
Partitioning approach
Regression approach
Hierarchical approach
Density-based approach
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