DEFINITION of 'Hypothesis Testing'
A process by which an analyst tests a statistical hypothesis. The methodology employed by the analyst depends on the nature of the data used, and the goals of the analysis. The goal is to either accept or reject the null hypothesis.
INVESTOPEDIA EXPLAINS 'Hypothesis Testing'
Hypothesis testing is used to infer a result of a hypothesis performed on sample data from a larger population. For example, performing a hypothesis test on sample data in an attempt to determine the mean of a population is the same as the mean of the sample.
RELATED TERMS

Balanced ANOVA
A statistical test used to determine whether or not different ... 
Beta Risk
The probability that a false null hypothesis will be accepted ... 
TwoTailed Test
A statistical test in which the critical area of a distribution ... 
OneTailed Test
A statistical test in which the critical area of a distribution ... 
Mean
The simple mathematical average of a set of two or more numbers. ... 
NonSampling Error
A statistical error caused by human error to which a specific ...
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