Homework 3: Machine Learning for Classification

https://github.com/DataTalksC…

Deadline: 15 October 2025, 23:00

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Correct answers

Review the expected answers for this scored homework.

1. Mode for industry (1 point)

technology

healthcare

retail

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

3. Biggest MI (1 point)

industry

location

lead_source

employment_status

4. Accuracy (1 point)

0.64

0.74

0.84

0.94

5. Feature selection (1 point)

'industry'

'employment_status'

'lead_score'

6. Parameter tuning (1 point)

0.01

0.1

100