Examlex
Members of the class __________ are sometimes called the ray-finned fishes.
Parametric T-Test
A statistical test used to compare the means of two samples, assuming that the underlying populations have a normal distribution and known variance.
Nonparametric Counterpart
A type of statistical method that does not assume a specific distribution for the data, often used when the data doesn't meet the assumptions of parametric tests.
Matched Pairs
A study design in which subjects are paired based on certain characteristics, with one subject in each pair receiving each treatment.
Wilcoxon Signed Rank Test
A statistical hypothesis test that doesn't rely on parameter-based assumptions, designed to evaluate whether there's a difference in the population mean ranks of two related samples, matched samples, or repeated measurements on the same sample.
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