Examlex
Groups assist their members reach specific goals. These are called expressive needs.
Alternative Hypothesis
The hypothesis that there is a significant difference between specified populations, any observed difference being due to sampling or experimental error.
Confidence Interval
A range of values that is likely to contain a population parameter with a certain level of confidence.
Null Hypothesis
A default hypothesis that there is no effect or no difference, and the observed outcomes are due to chance; it is the hypothesis tested for possible rejection in statistical analysis.
Hypothesized Value
A specified value in hypothesis testing which is assumed for the sake of argument or investigation.
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