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:
Accuracy
Accuracy refers to how close a sample
statistic
is to a population
parameter
. Thus, if you know that a sample mean is 99 and the true
population mean is 100, you can make a statement about the sample accuracy. For
example, you might say the sample mean is accurate to within 1 unit.