Chi Squared Test Graph. Values of the chi squared distribution. Read an example with explanation.
If the test statistic is greater than the upper tail critical value or less than the lower tail critical value we reject the null hypothesis. This is a easy chi square calculator for a contingency table that has up to five rows and five columns for alternative chi square calculators see the column to your right. Chi square goodness of fit test.
Table of selected percentiles.
When you conduct each of these tests you ll end up with a test statistic x 2. To find out if this test statistic is statistically significant at some alpha level you have two options. This is the value of χ 2 that will give the specified p value for the chi square distribution. The table below can help you find a p value the top row when you know the degrees of freedom df the left column and the chi square value the values in the table.
