Chi Square X2 Distribution Table. So in order to use the chi square distribution table you will need to search for 1 degree of freedom and then read along the row until you find the chi square statistic that you got. In table 4 in statistics tables a chi square of 9 097 with two degrees of freedom falls between the commonly used significance levels of 0 05 and 0 01.
Areas of the shaded region a are the column indexes you can also use the chi square distribution applet to compute critical and p values exactly. The first row represents the probability values and the first column represent the degrees of freedom. 0 05 on the left is 0 95 on the right.
The areas given across the top are the areas to the right of the critical value.
If you had specified an alpha of 0 05 for the test you could therefore reject the null hypothesis that gender and favorite commercial are independent. Chi square 3 418. Values of the chi squared distribution. The degrees of freedom for the chi square test the alpha level for the test common choices are 0 01 0 05 and 0 10.