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Properties of the Distribution
of the Chi-Square Statistic
1. The chi-square distribution is not symmetric, unlike
the normal and Student t distributions.
As the number of degrees of freedom increases, the
distribution becomes more symmetric.
Chi-Square Distribution
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Chi-Square Distribution for
df = 10 and df = 20
7.1 - 92
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Slide 1 -
Slide 1 -
Determining Sample Size
Determining Sample Size