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Introducing Distributions

Stage: 4 Challenge Level: Challenge Level:2 Challenge Level:2

The key idea in all this is to see how a probability distribution gives a theoretical description of the random situation, but that this does not mean that our sample data must match it.

You will also see how larger samples often get closer to the theoretical distribution but that the sample is not compelled to behave like that (it's random after all), although it's a rare event when it doesn't.