Chi Square Test Example. Chi square test statistic chi 2 sum o e 2 e where o represents the observed frequency. John matthew a chartered financial analyst wishes to establish whether the standard deviation witnessed during that period still adequately describes the long term standard deviation of the company s return.
E frac text row total times text column total text sample size. For yellow we have 46 100 2 100 29 16. Chi square test observed frequencies.
For example cell 1 male full stop.
E frac text row total times text column total text sample size. I show an example of this test. Chi square test observed frequencies. Therefore 6 6 24 2 6 24 0 0092.