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- этимология
Что (кто) такое null-hypothesis - определение
STATISTICAL CONCEPT
Null Hypothesis; Null-hypothesis; Null hypotheses; Exclusion of the null hypothesis
Null hypothesis
In inferential statistics, the null hypothesis (often denoted H0) is that two possibilities are the same. The null hypothesis is that the observed difference is due to chance alone.
null hypothesis
¦ noun (in a statistical test) the hypothesis that any observed differences between two populations are due to sampling or experimental error.
Null allele
NONFUNCTIONAL ALLELE (A VARIANT OF A GENE) CAUSED BY A GENETIC MUTATION
Null mutation; Null Allele; Null alleles; Null mutant
A null allele is a nonfunctional allele (a variant of a gene) caused by a genetic mutation. Such mutations can cause a complete lack of production of the associated gene product or a product that does not function properly; in either case, the allele may be considered nonfunctional.
Википедия
Null hypothesis
In scientific research, the null hypothesis (often denoted H0) is the claim that no relationship exists between two sets of data or variables being analyzed. The null hypothesis is that any experimentally observed difference is due to chance alone, and an underlying causative relationship does not exist, hence the term "null". In addition to the null hypothesis, an alternative hypothesis is also developed, which claims that a relationship does exist between two variables.
