Chi Squared Test Graph. 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. Chi square goodness of fit test.
This is the value of χ 2 that will give the specified p value for the chi square distribution. When you conduct each of these tests you ll end up with a test statistic x 2. This is appropriate when you wish to compare two or more groups and the outcome variable is categorical.
When you conduct each of these tests you ll end up with a test statistic x 2.
Comparing the test statistic value to a critical value determined from the chi square table or by finding the p value using technology. The chi square distribution table is commonly used in the following statistical tests. Calculating a chi square test statistic. Minitab performs a pearson chi square test and a likelihood ratio chi square test.
