Chi Square Journal Pdf. It requires using a rather messy formula for the probability density function of a χ2 1 variable. The chi square value of 28 451 is much larger than the critical value of 3 84 so the null hypothesis can be rejected.
If the test is significant it is important to look at the data to. Chi square test is a nonparametric test used for two specific purposes. A limitation of chi square test is given in section 4.
This value may be rounded to p 0 01 for convenience.
Using a χ 2 table the significance of a chi square value of 12 35 with 2 df equals p 0 005. The chi square value of 28 451 is much larger than the critical value of 3 84 so the null hypothesis can be rejected. For the sample table with 3 rows and 2 columns df 3 1 x 2 1 2 x 1 2. A chi square table of significances is available in many elementary statistics texts and on many internet sites.
