Statistics

Descripción

A-Level Maths Mapa Mental sobre Statistics, creado por lucy.greene el 26/03/2014.
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Mapa Mental por lucy.greene, actualizado hace más de 1 año
lucy.greene
Creado por lucy.greene hace más de 10 años
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Resumen del Recurso

Statistics
  1. Mathematical models in probability and statistics
    1. A mathematical model is a simplification of a real world situation.
      1. Advantages: quick and easy to produce, can simplify a complex situation, they enable predictions to be made about the future, help provide control
        1. Disadvantages: only give a partial description of real situation, only work for restricted range of values.
        2. Representation and summary of data - location
          1. a variable can take any value in a given range
            1. a variable that can take only specific values in a given range is a discrete
              1. a grouped frequency distribution consists of classes and their related class frequencies
                1. the mode or modal class is the value or class that occurs most often
                  1. the median is the middle value of an ordered data set
                  2. Representation and summary of data - measures of dispersion
                    1. Representation of data
                      1. Probability
                        1. Correlation
                          1. Regression
                            1. Discrete random variables
                              1. The normal distribution
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