Examlex
In a(n) ________, independently owned and managed stores sign an agreement to use the same name, participate in chain promotions, and cooperate as a unified system.
Null Hypothesis
A statistical hypothesis that assumes there is no significant difference or effect, serving as a default position until evidence suggests otherwise.
Independent Samples
Independent samples refer to sets of data collected from distinct, non-overlapping groups or populations, where the performance or measurement in one group does not influence the other.
Population Means
The average values of a particular variable for all individuals within a population.
Pooled-variances T-test
A statistical test applied to compare the means of two independent samples, especially when the two samples have the same variance.
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