vault backup: 2024-02-13 14:35:55

2024-02-13 14:35:55 -07:00
parent 5e51b99e25
commit fcff494d87
1 changed files with 2 additions and 0 deletions
--- a/education/statistics/Hypothesis
+++ b/education/statistics/Hypothesis
@@ -72,6 +72,8 @@ This test is used when you have one qualitative variable with many categories, e

 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. 

+$$ df = num_{terms} - 1 $$
+
 There will never be a $\chi^2$ statistic.

 Ch ($\chi$), i is pronounced khai