What is the chi-squared test? The chi-squared test, often written as χ 2 test, is a statistical hypothesis test used in the analysis of categorical variables to determine whether observed data are ...
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Practical Application of Contingency Tables in Industry
A contingency table allows you to visualize the relationship between a categorical X variable and a categorical Y variable.
The test of independence of row and column variables in a (J × K) contingency table is a widely used statistical test in many areas of application. For complex survey samples, use of the standard ...
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