Roadmap
Day 14 · Review 55 min 40 XP
📈Percent change, correlation & cause: capstone
Today you combine the week: measure growth with percentages, test a relationship with correlation, and learn why a strong link does not prove one thing caused the other.
What you'll learn
- Calculate percent change and percent of total
- Use CORREL and read the result
- Explain correlation versus causation with an example
A peek inside
Percent change
The rest of Day 14 is a Pro lesson
You're on the free Explorer plan — you get the intro and the video. Go Pro to open the full guided lesson (and all 30 days).
- 3 deep-dive lessons
- A copy-paste worked example
- 3 hands-on practice tasks
- Studio task: Growth and a hidden driver
- 3-question quiz, up to 45 XP
- 4 quick-glance glossary cards
- 40 XP + streak tracking
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