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Chi-square distribution
Coefficient of determination
Regression analysis
Key terms: math fit statistic degrees freedom number chi women observed sum degrees of freedom mathrm frequencies distribution data k men and women goodness of fit frac error measure count model minus expected hypothesis determined red variance probability indicates we sample value example degree of freedom categorical data squared population theoretical number of men df np error variance trials equal sigma null hypothesis Search external links cited by footnotes on Wikipedia page Goodness of fit: |
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