A chi-squared test is any statistical hypothesis test in which the sampling distribution of the test statistic is a chi-squared distribution when the null hypothesis is true.
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Chi-square is a statistic used to assess the degree of the relationship and degree of association between two nominal variables
The advantages of parametric tests include labeling individual distributions within a particular family. Each normal distribution is uniquely determined by its mean and standard deviation.
number-based
number-based
Empirically is used mostly in science, as its based on test subject within the laboratory, and based on actual experience by carrying out tests. And also based against information gather by past experiments done by actual scientists or laboratory assistants/workers