Long description: figure5

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A graph illustrating the chi-square distribution function, with a marked area indicating the significance level \(\alpha\).

Alt text: A graph illustrating the chi-square distribution function, with a marked area indicating the significance level \(\alpha\).

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  • The image displays a probability density function curve, labeled with the variable \(f\) on the vertical axis and \(\chi^2_{\alpha, \nu}\) on the horizontal axis.
  • The curve represents the chi-square distribution.
  • A region under the curve is shaded and marked with \(\alpha\), indicating the area in the right tail of the distribution, typically used for determining critical values.

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