Machine Learning Basics Quiz

What are the two features used to classify songs in Paul's example?

• Tempo and Genre

• Genre and Intensity

• Tempo and Intensity

• Intensity and Gender of Voice

In the example of Paul's song classification, what is the tempo and intensity of Song A?

• Fast tempo and light intensity

• Fast tempo and soaring intensity

• Relaxed tempo and light intensity

• Medium tempo and medium intensity

What is the name of the basic machine learning algorithm used to classify Song B?

• Linear Regression

• Decision Tree

• K-Nearest Neighbors

• Support Vector Machine

What type of learning uses labeled data to train the model?

• Semi-Supervised Learning

• Supervised Learning

• Reinforcement Learning

• Unsupervised Learning

In the supervised learning example, what feature is used to predict the currency of a coin?

• Shape

• Color

• Weight

• Size

What is the key difference between supervised and unsupervised learning?

• Supervised learning uses labeled data, while unsupervised learning uses unlabeled data.

• Supervised learning is faster than unsupervised learning.

• Unsupervised learning uses labeled data, while supervised learning uses unlabeled data.

• Unsupervised learning is more accurate than supervised learning.

In the unsupervised learning example, what are the two clusters identified?

• Wicketkeepers and Batsmen

• Bowlers and All-Rounders

• Batsmen and All-Rounders

• Batsmen and Bowlers

What type of learning is based on the principle of feedback?

• Unsupervised Learning

• Supervised Learning

• Reinforcement Learning

• Semi-Supervised Learning

What happens if the output of a machine learning model is incorrect according to the general flowchart?

• Feedback is provided to the training model.

• The output is taken as the final result.

• The model is retrained from scratch.

• The model is discarded.

Which of the following is an application of machine learning in the finance sector?

• Predicting customer churn

• Surge pricing

• Fraud detection

• Sentiment analysis