Chi-square test is a Statistical Hypothesis Testing tool (Test Statistic). The statistical hypothesis test tool is a method of statistical inference to decide the suitability of the data we have to support a particular hypothesis. The Chi-square test is written as χ2. The test is developed by Karl Pearson. In […]
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Difference between Primary and Secondary Data
Primary vs Secondary Data Difference between Primary and Secondary Data: The data is a set of values of qualitative or quantitative variables. In statistics, the data are the individual observations. The scientific investigations involve observations on variables. The observations made on these variables are obtained in the form of ‘data’. […]
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