Unsupervised Learning Quiz (Easy)

What is the primary goal of unsupervised learning?

Which of the following is an example of unsupervised learning?

How is unsupervised learning different from supervised learning?

What is dimensionality reduction in unsupervised learning?

In clustering algorithms, what does the term ‘centroid’ refer to?

What is the primary challenge in unsupervised learning?

Principal Component Analysis (PCA) is a technique used for:

Hierarchical clustering is:

In unsupervised learning, what is an outlier?

Which of the following is a common use case for unsupervised learning?

Market basket analysis, which analyzes frequently purchased items together, is based on: