The Ultimate Unsupervised Learning Quiz: Are You Ready?

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| By Madhurima Kashyap
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Madhurima Kashyap
Community Contributor
Quizzes Created: 39 | Total Attempts: 11,612
| Attempts: 181
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  • 1/10 Questions

    What is Unsupervised learning?

    • Training on labeled data
    • Training on unlabeled data
    • A type of reinforcement learning
    • A type of deep learning
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About This Quiz

The Ultimate Unsupervised Learning Quiz: Are You Ready?" is designed to test your understanding of critical unsupervised learning concepts. This 10-question Unsupervised Learning Quiz covers the definition of unsupervised learning, different types of learning techniques, and their applications. Questions include understanding the role of clustering, dimensionality reduction, and algorithms like K-Means and DBSCAN. It also explores how to identify outliers using anomaly detection, hierarchical clustering, and the limitations of K-Means clustering. This quiz comprehensively evaluates your knowledge of the subject, helping identify areas for further study.

The Ultimate Unsupervised Learning Quiz: Are You Ready? - Quiz

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  • 2. 

    Which of the following is a type of unsupervised learning?

    • Regression

    • Classification

    • Clustering

    • Convolutional Neural Network

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  • 3. 

    Which algorithm is commonly used for clustering in unsupervised learning?

    • Naive Bayes

    • Decision Trees

    • Random Forests

    • K-Means

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  • 4. 

    What does the DBSCAN algorithm do in unsupervised learning?

    • Classify data

    • Density based clustering algorithm

    • Predict future data

    • Generate new data

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  • 5. 

    Which of the following best describes the term 'anomaly detection' in unsupervised learning?

    • Identifying outliers in data

    • Identifying the center of data clusters

    • Classifying data

    • Generating new data samples

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  • 6. 

    Which algorithm is used for hierarchical clustering in unsupervised learning?

    • Naive Bayes

    • Decision Trees

    • Random Forests

    • Agglomerative clustering

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  • 7. 

    What is the goal of dimensionality reduction in unsupervised learning?

    • To reduce computational complexity

    • To reduce overfitting

    • To improve data visualization

    • All of the above

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  • 8. 

    How are the clusters formed in the K-Means algorithm?

    • Based on nearest neighbors

    • Based on decision tree splitting

    • Based on density

    • Based on distance from centroids

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  • 9. 

    Which of the following is a drawback of K-Means clustering?

    • It requires the number of clusters to be known.

    • It can only handle numeric data.

    • It is sensitive to outliers.

    • All of the above.

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  • 10. 

    In the context of unsupervised learning, what is an autoencoder used for?

    • For classification tasks

    • For clustering tasks

    • For dimensionality reduction

    • For time-series prediction

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Quiz Review Timeline (Updated): Aug 3, 2023 +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Aug 03, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Aug 02, 2023
    Quiz Created by
    Madhurima Kashyap
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