Examlex
The population model for prevention,with its focus on shifting the distribution of risk,has never been tried in the United States.
Alternative Hypothesis
A statement proposing a relationship between variables, differing from the null hypothesis, and is tested for possible acceptance.
µ
The symbol for the mean (average) of a population in statistics.
Null Hypothesis
A statement in statistical testing that assumes there is no significant difference between specified populations, any observed difference being due to sampling or experimental error.
Means
Statistical measure referring to the average or central value of a set of numbers.
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