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Central Limit Theorem
Graphic demonstration of the Central Limit Theorem. Use sliders to change shapes of graphs. Two tabs - one to demonstrate non-normal distributions, one to demonstrate standard deviation of estimations of normal distributions.
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Poisson Diagram
Visual diagram highlighting key maths contributory ideas to the Poisson Distribution.
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Statistics Distributions
Summary document highlighting key features, criteria, examples, notation and equations of the binomial, normal, poisson and geometric distributions. PDF here.
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Graphs of Distributions
Dynamic graphs of the binomial, normal and poisson distributions. Use sliders to change values and shapes.
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Chi-Squared Concept Questions
A set of questions designed to assess students understanding of the chi-squared hypothesis test. These questions all involve 'single' sets of data, in preparation for contingency tables later on.
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Trying to be Random
Imagine rolling the die 40 times, what may the results be? Then carry out a chi-squared test to assess your randomness.
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Combinations
How many ways to choose 0, 1, 2 or 3 from 3 cards. Or 0-4 from 4 cards, or even 5! (An introduction to Pascals).
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