Examlex
Explain why a federal government bureaucracy is necessary.
Test Statistic
A numerical value calculated from a sample used in statistical hypothesis testing to determine whether to reject the null hypothesis.
Normal Distribution
A probability distribution characterized by its symmetry surrounding the mean, demonstrating that data points close to the mean occur more frequently than those at a greater distance.
Degrees Of Freedom
Degrees Of Freedom represent the number of values in the final calculation of a statistic that are free to vary, often determining the shape of various sampling distributions.
Interaction Term
In statistical models, it represents the combined effect of two or more variables on a dependent variable, which is different from the effect of any one variable alone.
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