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Statistical Sampling Paddle
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Model information
- Source
- Printables
- Category
- Math
- License
- Creative Commons — Attribution
This paddle can be used as a hands-on activity in teaching environments to demonstrate that sampling with the appropriate sample size can be a very effective way to make inferences of a population when it is impossible to measure the entire the population.
Sample lesson plan: https://www.ccmr.cornell.edu/wp-content/uploads/sites/2/2015/11/Bean-Counting.pdf
The holes in the paddle have a diameter of 10mm. I'd recommend purchasing beads or BB pellets that are 6-8mm.