Chi Square Test Statistic Example. And we got a chi squared value. The chi square statistic is commonly used for testing relationships between categorical variables.
If you know the value of one variable it does not help you. Here are a few examples. The chi square test of association evaluates relationships between categorical variables.
Here are a few examples.
Like any statistical hypothesis test the chi square test has both a null hypothesis and an alternative hypothesis. Here are a few examples. Remember we re dealing with the situation where we have three degrees of freedom. Like any statistical hypothesis test the chi square test has both a null hypothesis and an alternative hypothesis.