Normal distribution apparatus
Galton board: balls falling through an array of pins form the bell-shaped pattern of a normal distribution.
A statistical demonstration device consisting of 6 components: a base, a two-post support, a transparent body with a V-shaped groove, an array of metal pins, balls and a removable partition. Designed for 3 demonstrations: random events with an equally probable deviation of the ball to the left or right, the formation of a bell-shaped normal distribution according to the law of large numbers, and a model illustration of the distribution of gas molecules by speed. Connects probability theory with molecular physics in one visual experiment.
- 1.Base - 1 pc.
- 2.Two-post support - 1 pc.
- 3.Transparent body with V-shaped groove - 1 pc.
- 4.Array of metal pins - 1 pc.
- 5.Balls - 1 set.
- 6.Removable partition - 1 pc.
- Random events: equally probable deflection of the ball to the left or right when colliding with a pin
- Statistical behaviour of large numbers: formation of a bell-shaped normal (Gaussian) distribution
- Model illustration of the statistical distribution of gas molecules by speed
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