Examlex
In the test to determine significance difference between two means generated by independent samples,there is no provision for testing a directional hypothesis such as "males drink more soft drinks per week than females."
Nonzero Differences
Refers to the differences between paired observations that are not equal to zero, often considered in statistical tests like the Wilcoxon Signed-Rank Test.
Paired Sample
Two related samples or sets of data collected from the same group of subjects, used in experiments to analyze differences under varying conditions.
Two-Sample T-Test
A statistical test used to compare the means of two independent samples to determine if they come from populations with equal means.
Wilcoxon Signed Rank Test
A nonparametric statistical test used to compare two related samples, matched samples, or repeated measurements on a single sample to assess whether their population mean ranks differ.
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