677970
Descrição
Mapa Mental por lucy.greene, atualizado more than 1 year ago
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Criado por lucy.greene
mais de 10 anos atrás
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Statistics
- Mathematical
models in
probability and
statistics
- A mathematical
model is a
simplification of a
real world situation.
- Advantages: quick
and easy to produce,
can simplify a complex
situation, they enable
predictions to be made
about the future, help
provide control
- Disadvantages: only give a
partial description of real
situation, only work for restricted
range of values.
- A mathematical
model is a
simplification of a
real world situation.
- Representation and
summary of data - location
- a variable can take any value in a given range
- a variable that
can take only
specific values in
a given range is a
discrete
- a grouped
frequency
distribution consists
of classes and their
related class
frequencies
- the mode or modal
class is the value or
class that occurs
most often
- the median is the
middle value of an
ordered data set
- a variable can take any value in a given range
- Representation and
summary of data -
measures of dispersion
- Representation of data
- Probability
- Correlation
- Regression
- Discrete random variables
- The normal
distribution
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