Examlex
Contraception (preventing conception)and birth control (preventing live birth)are not quite the same.To which category do "morning-after" pills and mifepristone (RU-486)belong,and why?
T Test
A statistical analysis method that evaluates if there's a significant difference between the average values of two distinct groups.
Null Hypothesis
A hypothesis that suggests there is no statistical significance in a set of given observations, serving as a default position until evidence suggests otherwise.
Research Hypothesis
A specific, testable prediction about the outcome of a scientific study based on theory or prior research.
Significance Level
The threshold at which the results of statistical analysis are considered statistically significant, commonly set at α = 0.05 or 5%.
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