Examlex
The height of the column of mercury in a barometer is proportional to air pressure.
Un-standardized Test Statistic
A test statistic that has not been converted to a standard form, representing raw effect sizes or differences observed in data.
Standardized Test Statistic
A test statistic that has been converted into a standard form so that it can be directly compared to a distribution.
Rank Sum
A statistical measure used to compare the distributions of two or more groups by summing ranks assigned to their observations.
Alternative Hypothesis
A statistical hypothesis that suggests a difference or effect, contrary to the null hypothesis.
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