Examlex
If B = the benefit of a behavior to a recipient, C = the cost of the behavior of the donor, and r = the degree of relatedness between the recipient and donor, then if rB > C, altruism can evolve.
Degrees Of Freedom
The number of independent pieces of information used to calculate a statistic, often influencing the shape of various sampling distributions.
Statistical Analysis
The method of gathering, examining, analysing, and showcasing information to identify inherent trends and patterns.
Married Couples
Individuals joined by marriage, often studied in demographics and social sciences.
T-test
An analytical procedure designed to evaluate whether the mean values of two separate groups differ significantly.
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