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You can then use the chi-square test to determine the extent to which your predicted grades differed from the actual grades. How to Calculate a Chi-square. The chi-square value is determined using the formula below: X2= (observed value - expected value)2/ expected value.
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). The calculation takes three steps, allowing you to see how the chi-square statistic is calculated.
Use this Chi Square calculator to easily test contingency tables of categorical variables for independence or for a goodness-of-fit test. Can be used as a Chi-Square goodness-of-fit calculator, as a Chi-Square test of independence calculator or as a test of homogeneity.
Chi-Square test calculator. Goodness of fit test, test of independence/association include fisher exact test calculator, McNemar test. Calculates p-value, power, effect. draw distribution chart and a histogram.
This is a chi-square calculator for a simple 2 x 2 contingency table (for alternative chi-square calculators, see the column to your right).
Chi Square Calculator is an online free tool used to find the chi-square value by using the chi-square statistics and performing the chi-square test to determine the relationship between the variables of the given data set by finding the values of the degrees of freedom and the p-value of the data.
Chi Square Calculator for 2x2. 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).
