Chapter 2

Question 1

What is Machine Learning (ML)?

Answer 1

A method of data analysis that automates analytical model building based on the idea that systems can learn from data, identify patterns, and make decisions with minimal human intervention.

Question 2

What are the types of data used in Machine Learning?

Answer 2

• Structured Data
• Semi-Structured Data
• Unstructured Data

Question 3

Define Structured Data.

Answer 3

Organized in a defined manner (e.g., databases, spreadsheets).

Question 4

Define Semi-Structured Data.

Answer 4

Partially organized (e.g., JSON files, XML).

Question 5

Define Unstructured Data.

Answer 5

No predefined structure (e.g., emails, social media posts, images).