# Chap 1 - Mathematical models in probability and statistics

summary of chapter 1

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- Created by: Danielle Anderson
- Created on: 20-02-13 15:23

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- Mathematical Model
- advantages
- quick and easy to produce
- simplifies a more complex situation
- improves our understanding of the real world as certain variables can readily be changed
- enables predictions to be made about the future

- disadvantages
- only gives a partial description of the real situation
- only works for a restricted range of values

- DEFINE: a simplification of a real world situation
- Refining a model
- 2 mathematical model is devised
- 1 assumptions are made about an observed real world problem
- 3 using the model, predict the expected outcome of the real world problem
- 6 use statistical tests to assess how well the model describes the real world
- 5 use techniques to compare predicted and observed outcomes
- 4 collect data to match the conditions of the predicted values

- advantages

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