Short Answer
Figure 1.2
Using the figure above, identify the labeled part.
-Label U: ______________________________
Definitions:
Sign Test
A non-parametric test used to determine if there is a median difference between paired observations.
Matched Pairs
Matched pairs refer to a study design in statistics where pairs of subjects are matched in terms of key variables that are thought to affect the outcome of interest, and then compared on the outcome, often used to control for confounding variables.
Ordinal
A scale of measure that categorizes data while also ranking them in a meaningful order, but without indicating the exact differences between ranks.
Sign Test
A nonparametric statistical test used to determine if there are differences between two paired samples.
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