A mathematical science concerned with data collection, presentation, analysis, and interpretation.
A systematic collection of data on measurements or observations, often related to demographic information such as population counts, incomes, population counts at different ages, etc.
A single item in a statistical study.
A quantity calculated from the data in a sample, which characterises an important aspect in the sample (such as mean or standard deviation).
A person, or personal event, reduced to being an item of statistical information.