Chi Square On Line. As such you expected 25 of the 100 students would achieve a grade 5. The chi square test of independence is used to test the null hypothesis that the frequency within cells is what would be expected given these marginal ns.
This simple chi square calculator tests for association between two categorical variables for example sex males and females and smoking habit smoker and non smoker. The chi square value is determined using the formula below. Returning to our example before the test you had anticipated that 25 of the students in the class would achieve a score of 5.
The chi square value is determined using the formula below.
The chi square value is determined using the formula below. Or have you found something significant. 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. How to calculate a chi square.
