Examlex
When the test statistic for the Mann-Whitney U test is equal to or smaller than the critical value,we reject the null hypothesis.
Chi-Squared Distribution
A probability distribution widely used in statistical hypothesis tests, particularly in tests of independence and goodness of fit.
Degrees of Freedom
The number of independent values or quantities which can be assigned to a statistical distribution, necessary for calculating statistics like variances.
Chi-Squared Distribution
A probability distribution that measures how a model compares to actual observed data, primarily used in the goodness-of-fit testing.
Degrees of Freedom
The number of independent values or quantities which can be assigned to a statistical distribution, affecting the shape of the distribution.
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