200000 5150000 100000 50000 Optimal number of clusters 2 w. 3 4 5 6 Number of clusters k 7 8 9 10

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Consider the following elbow graph for a clustering. Which of the following are true in the face of this evidence?

Select one or more:
a. Having 2 clusters is reasonable in this situation.
b. Having 3 clusters is reasonable in this situation.
c. Having 1 cluster is reasonable in this situation.
d. Having 4 clusters is reasonable in this situation.
e. Having 5 clusters is reasonable in this situation.
Total Within Sum of Square
200000
150000
100000
50000
Optimal number of clusters
1
2 3
4
5
6
Number of clusters k
7
·00
8
9
10
Transcribed Image Text:Total Within Sum of Square 200000 150000 100000 50000 Optimal number of clusters 1 2 3 4 5 6 Number of clusters k 7 ·00 8 9 10
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