| nullipara |
(obstetrics) a woman who has never give birth to a child
출처: wordnet.princeton.edu/perl/webwn
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| null hypothesis |
The hypothesis, used for statistical purposes, that the variables under investigation are not related in the population, that any observed effect based on sample results is due to random error.
출처: highered.mcgraw-hill.com/sites/0072523425/student_...
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| null cell |
A lymphocyte that develops in the bone marrow and lacks the characteristic surface markers of the B and T lymphocytes. Null cells represent a small proportion of the lymphocyte population. Stimulated by the presence of antibody, null cells can attack certain cellular targets directly and are known as natural killer (NK) cells.
출처: www.amfar.org/cgi-bin/iowa/bridge.html
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| null hypothesis |
in a statistical test it is the statement of the hypothesis to be tested.
출처: www.pestmanagement.co.uk/lib/glossary/glossary_n.s...
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| null hypothesis |
The prediction that an observed difference is due to chance alone and not due to a systematic cause; this hypothesis is tested by statisical analysis, and accepted or rejected.
출처: depts.washington.edu/~genetics/courses/genet372/w2...
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