Examlex
What is an externality?
Mean
The mathematical average of a set of numbers, calculated by adding them up and dividing by the count of those numbers.
Directional Null Hypothesis
A null hypothesis that specifies the direction of the expected difference or relationship between two variables, which is not a standard form of null hypothesis and might be considered a misinterpretation, as null hypotheses typically state there is no effect or difference.
Directional Alternative Hypothesis
A hypothesis that specifies the direction of an expected difference or relationship, not just the existence of a difference.
Non-directional Alternative Hypothesis
A non-directional alternative hypothesis is a type of hypothesis used in statistical testing that predicts a relationship between variables without specifying the direction of the relationship.
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