Examlex
Dr. Harris' hypothesis was that students attending an urban school would have higher achievement test scores than children attending suburban or rural schools. This is an example of a nondirectional alternative hypothesis.
Decision Rule
Rule specifying the values of the statistic that result in the decision to reject or not reject the null hypothesis.
Region of Rejection
The range of values in hypothesis testing that leads to rejection of the null hypothesis, indicating statistical significance.
Alternative Hypothesis
The hypothesis that proposes there is an effect, or there is a difference, contrary to the null hypothesis.
Unshaded Area
In the context of data visualization, it refers to parts of a graph or chart that are not marked by patterns or colors and may represent certain values or categories.
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