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.
Select term:
Bias
Bias refers to the tendency of a measurement process to over- or
under-estimate the value of a population
parameter.
In survey sampling,
for example, bias would be the tendency of a sample
statistic
to systematically
over- or under-estimate a population parameter.