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The Kids Should See This

The Kids Should See This

Math in Motion: Playing with a desktop Galton Board

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Tools & Toys

Tools & Toys

The Galton Board — A Desktop Probability Machine.

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A Galton Board Demonstration of Why All Statistical Models are Misspecified

A Galton Board Demonstration of Why All Statistical Models are Misspecified

The Galton board or quincunx is a fascinating device that provides a compelling demonstration of one the main laws of statistics.

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Learning Statistics Through Guided Block Play: A Precurriculum in Statitical Literacy

Learning Statistics Through Guided Block Play: A Precurriculum in Statitical Literacy

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Results of Simulations of a Model of the Galton Board for Various Degrees of Elasticity of the Ball-to-Nail Collision

Results of Simulations of a Model of the Galton Board for Various Degrees of Elasticity of the Ball-to-Nail Collision

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Bean Machine: A Declarative Probabilistic Programming Language For Efficient Programmable Inference

Bean Machine: A Declarative Probabilistic Programming Language For Efficient Programmable Inference

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Introducing Bean Machine

Introducing Bean Machine

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What If God Were A Giant Game Of Plinko?

What If God Were A Giant Game Of Plinko?

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DE MOIVRE ON THE LAW OF NORMAL PROBABILITY

DE MOIVRE ON THE LAW OF NORMAL PROBABILITY

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Engraved Portraits of Gauss for sale by Acme Klein Bottle!

Engraved Portraits of Gauss for sale by Acme Klein Bottle!

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APSU statistics instructor Sam Ligo builds Real-World models to help Students grasp Math Concepts

APSU statistics instructor Sam Ligo builds Real-World models to help Students grasp Math Concepts

Austin Peay State University statistics instructor Sam Ligo for years has used his woodworking skills and engineering know-how to build mathematical models – real-world 3D representations of the math – to help his students learn.

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Fine Art Maths Centre - The Quincunx

Fine Art Maths Centre - The Quincunx

The word “quincunx” refers to a pattern of four objects arranged in a square with a fifth in the centre, like the spots on a dice.

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3D Printed Galton Board

3D Printed Galton Board

A Galton board (AKA a bean machine) demonstrates probability by allowing balls to drop through an array of pegs through which they have a 50/50 chance of going left or right at each point.

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Deborah R. Fowler - Galton Board

Deborah R. Fowler - Galton Board

The idea of a Galton board is to demonstrate the bell curve. Dropping balls on pegs arranged in a way such that when the ball is dropped it has a 50/50 chance of going left or right. Generally speaking there are more paths going toward the middle and thus produces the bell curve, or binomial distribution, or normal distribution of balls in the slots below the pegs.

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Galton Board / Quincunx

Galton Board / Quincunx

The Galton board (also called a Quincunx) is a physical model of the binomial distribution which beautifully illustrates the central limit theorem.

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Random Walk in Stock Market Prices

Random Walk in Stock Market Prices

FOR MANY YEARS economists, statisticians, and teachers of finance have been interested in developing and testing models of stock price behavior. One important model that has evolved from this research is the theory of random walks.