← L² Lab
📊 Data Sense
Card 05
💊 📉 📈

Drug A cures 80% of patients. Drug B cures 70% of patients. Which drug is better?

💭 How to Think About This

It seems obvious (80 > 70). But data can contain hidden "sub-groups" that distort the total average. This is the most dangerous paradox in statistics.

Choose the best drug:

🤔 Which thinking lens(es) did you use?

Select all the lenses you used:

👨‍👩‍👧 For Parents & Teachers

🌱 Everyday Paradoxes

Parent: "School A has higher test scores than School B. It must be better."
Teacher: "Actually, School B accepts students with lower starting grades and improves them more than School A. School B is the better teacher, but School A has easier students."
(This is Simpson's Paradox in education.)