14.30 | Spring 2009 | Undergraduate

Introduction to Statistical Methods in Economics

chi-squared prrobability distribution function

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Chi-squared probability distribution function. (Image by MIT OpenCourseWare.)

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chi-squared prrobability distribution function
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Shapes of three probability distribution functions: normal, Student's t, and chi-squared. The normal and Student's t are bell-shaped and symmetric; chi-squared is asymmetric and has a longer tail.
Caption:
Shapes of three probability distribution functions: normal, Student’s t, and chi-squared. (Image by MIT OpenCourseWare.)
Shapes of three probability distribution functions: normal, Student's t, and chi-squared. The normal and Student's t are bell-shaped and symmetric; chi-squared is asymmetric and has a longer tail.

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