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Clustering Methods Quiz

Authored by 27 Pegado

Information Technology (IT)

University

Clustering Methods Quiz
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary aim of clustering models?

To visualize data in a two-dimensional space

To classify records into distinct categories

To subdivide records into homogeneous groups

To analyze the relationships between variables

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a requirement for clustering methods?

They must always produce spherical clusters

They must require a predetermined number of clusters

They should only work with numerical data

They should be robust to small changes in data

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What do partition methods in clustering do?

They create a tree structure of clusters

They subdivide a dataset into a predetermined number of subsets

They identify clusters based on density

They analyze the grid structure of observations

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which clustering method does not require the number of clusters to be predetermined?

K-medoids

Hierarchical methods

K-means

Partition methods

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a characteristic of density-based clustering methods?

They derive clusters from the number of observations in a neighborhood

They require a fixed number of clusters

They are not robust to outliers

They can only identify spherical clusters

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the silhouette coefficient used for in clustering?

To determine the number of clusters

To evaluate the quality of clusters

To measure the distance between clusters

To visualize the clusters in a graph

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is true about grid methods?

They do not require any preprocessing of data

They can only be applied to numerical data

They achieve reduced computing times but lower accuracy

They require a large number of attributes

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