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Null Hypothesis
In statistics, a null hypothesis H0 is a hypothesis scenario set up to be nullified, refuted, or rejected 'disproved' statistically in order to support an alternative hypothesis. When used, the null hypothesis is presumed true until statistical evidence, in the form of a hypothesis test, indicates otherwise — that is, when the researcher has a certain degree of confidence, usually 95% to 99%, that the data does not support the null hypothesis. It is possible for an experiment to fail to reject the...
Article added: 2008-08-13 01:49:50   Article Views Rating: 828

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