Definition: Evaluating Sample Statistics

A sample statistic is any quantity computed from values in a sample and used for statistical purposes. These purposes include estimating a population parameter, describing a sample, or evaluating a hypothesis. A common example of a statistic is the average of sample values.

Definition: Inference Sample Statistics

Statistical inference is the process of drawing conclusions about an underlying population based on a sample or subset of the data. In most cases, it is not practical to obtain measurements from the entire population.