Chi Square Test Example Problems With Answers. Calculate this formula for each cell one at a time. For yellow we have 46 100 2 100 29 16.
For yellow we have 46 100 2 100 29 16. N sample size. 2 x observed expected 2 expected x o e 2 e vi from and k 1 a critical value is determined from the chi square table.
For red we have 50 100 2 100 25.
Chi square test of independence example likewise we can use the chi square test for homogeneity of proportions to see if different populations have the same proportion of individuals with similar characteristics. For example cell 1 male full stop. Based on the chi square statistic and the degrees of freedom we determine the p value. The example below highlights how we use the chi square test to determine association.
