Definition of Wilcoxon test in English:
Another term for signed-rank test.
- Because we do not know that the values have normal distribution, the Wilcoxon test is preferred over the Student's t-test.
- For the Wilcoxon test, the test statistics is the sum of the ranks in the first sample, and the distribution of this statistics under the null hypothesis does not depend on the distribution of the two populations.
- For the statistical analysis, we compared the number of worms eaten by minnows to an expected random distribution using a Wilcoxon test.
1960s: named after Frank Wilcoxon (1892–1965), Irish statistician.
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