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education/statistics/Hypothesis Tests.md
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@ -55,6 +55,8 @@ If the p-value is greater than *5*%, fail to reject the null hypothesis.
(Ch 28, stat 1040) (Ch 28, stat 1040)
## Goodness of fit tests ## Goodness of fit tests
This test is used when you have one qualitative var
The $\chi^2$ curve does not follow the normal curve. It has a long right hand tail. As the degrees of freedom go up, the curves flatten out, and the hump moves out to the right. The $\chi^2$ curve does not follow the normal curve. It has a long right hand tail. As the degrees of freedom go up, the curves flatten out, and the hump moves out to the right.
There will never be a $\chi^2$ statistic. There will never be a $\chi^2$ statistic.