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Chapter 15: Chi-Square Tests
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Figure 15-1:
Examples of the Chi-Square Distribution
Observe that the shape of the distribution is becoming more symmetric as
the number of degrees of freedom is increasing.
15-2 The Chi-Square Distribution
Here we will present some properties of the chi-square (
) distribution.
Properties of the
distribution
The chi-square distribution displays the following properties.
It is a continuous distribution.
It is not symmetric.
It is skewed to the right.