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Homework 3: Machine Learning for Classification for Machine Learning Zoomcamp 2025

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Due date: 2025-10-15T23:00:00+00:00 (local time)

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Question 1. Mode for industry (1 point)

technology

healthcare

retail

Question 2. Biggest correlation (1 point)

interaction_count and lead_score

number_of_courses_viewed and lead_score

number_of_courses_viewed and interaction_count

annual_income and interaction_count

Question 3. Biggest MI (1 point)

industry

location

lead_source

employment_status

Question 4. Accuracy (1 point)

0.64

0.74

0.84

0.94

Question 5. Feature selection (1 point)

'industry'

'employment_status'

'lead_score'

Question 6. Parameter tuning (1 point)

0.01

0.1

100

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