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|Table of Contents Statistical Tests Hypotheses Distribution-Free Tests|
|See also: randomization tests, hypothesis testing|
In order to cope with these situations, tests have been developed which do not assume any special distribution (thus the name "distribution-free tests"). Distribution-free tests are also called non-parametric tests. These tests are always weaker than parametric tests (typically, the efficiency of non-parametric tests falls into the range of 90 to 95 %).
Last Update: 2005-Jšn-25