Statistics and Probability · Probability
Test the birthday paradox
Calculate and test the chance that two people in a group share a birthday.
- Easy
- 1–3 hours
- Free
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Statistics and Probability projects 7
Collect data, test a claim and explain chance with experiments you can repeat.
7 Statistics and Probability projects
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Statistics and Probability · Probability
Estimate pi by dropping needles
Drop sticks on ruled paper, count how many cross a line and get an estimate of pi.
- Easy
- 1–3 hours
- Free
Statistics and Probability + Biology
Estimate the size of a crowd or a population by sampling
Use capture-recapture with beans to estimate a hidden total, then judge how accurate the method is.
- Easy
- 1 day
- Under 250
Statistics and Probability · Probability
Design a fair spinner game and prove it
Invent a spinner or dice game, test whether it is fair and fix it if not.
- Beginner
- 1 day
- Under 250
Statistics and Probability · Data Analysis
Survey and model how students spend their time
Collect time-use data from 50 students and compare school days with weekends.
- Easy
- 1–2 weeks
- Free
Statistics and Probability · Probability
Investigate the Monty Hall problem
Play the three-door game 100 times each way and show why switching wins two-thirds of the time.
- Easy
- 1–3 hours
- Free
Statistics and Probability + Development and Applied Economics
Compare measures of central tendency with real incomes
Show with real data why the mean and the median tell different stories about income.
- Easy
- 2–7 days
- Free
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