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The Mann-Whitney U-test is used to test whether two independent samples of observations are drawn from the same or identical distributions. An advantage with this test is that the two samples under consideration do not necessarily need to have the same number of observations or instances.
Mantoux test. The Mantoux test or Mendel-Mantoux test is a screening tool for tuberculosis. It is one of the major tuberculin skin tests used around the world, largely replacing multiple-puncture tests such as the Tine test. The Heaf test was used until 2005 in the UK, when it was replaced by the Mantoux test. It is endorsed by the American Thoracic Society and Centers for Disease Control and Prevention.