A descriptive statistic is used to summarize sample data. A test statistic is used in statistical hypothesis testing. Here is a table describing both population parameters and sample statistics ...

If no other sources are available to measure certain variables of a target population, Statistics Netherlands often uses a random sample, i.e. a sample of units from the population drawn in accordance ...

In order to compile reliable estimates for the yearly trend, the FBI used a statistical sampling of 2021 data to augment the 2021 information collected via NIBRS for the 2022 publication.