Examlex
The purpose of the chi-square analysis to test the independence of two variables is to determine the exact nature of the relationship between two ratio variables.
Chi-squared Distribution
A statistical distribution that is used to describe the distribution of the sum of the squares of independent, standard normal variables.
Critical Value
The threshold value that a test statistic must exceed for the null hypothesis to be rejected in hypothesis testing.
Degrees Of Freedom
The number of independent values in a statistical calculation that are free to vary when estimating parameters.
Area
A measure of the extent of a surface or a piece of land, often measured in square units.
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