Statistics Dictionary
To see a definition, select a term from the dropdown text box below. The statistics
dictionary will display the definition, plus links to related web pages.
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Statistical Hypothesis
A statistical hypothesis is an assumption about a population
parameter
. This assumption may or may not be true.
For instance, the statement that a population mean is equal to 10 is an example
of a statistical hypothesis. A researcher might conduct a
statistical experiment
to test the validity of this hypothesis.