CHI-SQUARE

IMPORTANT CONTINUOUS RANDOM VARIABLE

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Special case of the Gamma Random Variable.


Probability Density Function (PDF) represents the number of degrees of freedom in the variable.

This has many different shapes based on the values of . An example is illustrated below

Chi-2 pdf pict

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PROPERTIES

MEAN VARIANCE

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RELATED
CONCEPTS

  Random Variables
Probability Density Function
Cumulative Distribution Function
Gaussian Random Variables
Important Continuous Random Variables
Gamma Random Variables
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