Examlex
Use the horizontal line test to determine whether the function is one-to-one.
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Degrees of Freedom
In statistics, the number of independent values or quantities which can be assigned to a statistical distribution without violating any constraints.
Categories
Categories refer to distinct groups or classifications into which items, observations, or phenomena can be organized based on shared characteristics or attributes.
Chi-square
A statistical analysis designed to assess whether two categorical variables have a meaningful relationship.
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