Examlex
The partial F test is a procedure to determine whether extra variables in a group provide any extra explanatory power in the regression equation
Poisson Distribution
A probability distribution that describes the occurrence of rare events or the number of events in fixed intervals of time or space.
Probability
A measure of the likelihood that an event will occur, expressed as a number between 0 and 1.
Stratified Random Sample
A sampling method that divides the population into strata, or subgroups, and selects random samples from each stratum to ensure representation.
Statistic
A numerical measurement describing some characteristic of a sample, used to infer properties of the population from which it was drawn.
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