Chi Square Statistics The Chi Square Statistic Types of Data: There are basically two types of random variables and they yield two types of data: numerical and categorical. A chi square ( X 2) statistic is used to investigate whether distributions of categorical variables differ from one another. Basically categorical variable yield data in the categories and numerical variables yield data in numerical form. Responses to such questions as Iso 4762/din 912 Standards. 'What is your major?' Or Do you own a car?' Are categorical because they yield data such as 'biology' or 'no.'

In contrast, responses to such questions as 'How tall are you? Soniccouture Konkrete 3 Rar Software For Mac. ' Or 'What is your G. Embroidery I2 Plug-in For Adobe Illustrator. P.A.?' Are numerical. Numerical data can be either discrete or continuous.