Chapter 8

Chapter 8

University

20 Qs

quiz-placeholder

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Chapter 8

Chapter 8

Assessment

Quiz

Computers

University

Practice Problem

Medium

Created by

Aiman Dolah

Used 1+ times

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is unsupervised learning?

Learning from labeled data

Learning with human supervision

Learning patterns from unlabeled data

Learning from test data only

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a common task in unsupervised learning?

Regression

Clustering

Classification

Prediction

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does clustering try to do?

Separate data into random groups

Group similar data points together

Assign labels to data

Predict future values

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which algorithm is commonly used for clustering?

K-Means

Naive Bayes

Decision Tree

Logistic Regression

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is dimensionality reduction?

Adding features to a dataset

Reducing the number of data points

Reducing the number of features or variables

Deleting the dataset

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of these is NOT an example of unsupervised learning?

Customer segmentation

Document clustering

Classification of emails as spam or not spam

Anomaly detection

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a challenge in unsupervised learning?

Too many labels

Lack of ground truth for evaluation

Overfitting

Training too quickly

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