The Data Thinker
Read a number without being fooled by it
Built for the moment someone shows you a statistic and expects agreement. Probability from counting, base rates that overturn intuition, and the reasoning discipline to say precisely why a claim doesn't follow.
3 stagesabout 5 weeksintermediate
Create an account to track this path and pick up where you left off.
Start the pathThe sequence
Work the stages in order. Each one is a full course — you can wander off and come back, the path keeps your place.
- 1
Stage 1 · Magnitude
Thinking in Numbers
Before you can judge a statistic you need a feel for size. Start here even if it looks easy.
3 lessons48 min
- 2
Stage 2 · Uncertainty
Chance & Uncertainty
Sample spaces, combining chances, and the base-rate trap that fools most professionals.
3 lessons46 min
- 3
Stage 3 · Argument
The Logic Engine
Where claims break. The difference between a valid inference and a persuasive one.
3 lessons44 min