(1) A branch of applied mathematics concerned with the collection and interpretation of quantitative data and the use of probability theory to estimate population parameters
From , from and . Statistik introduced by Gottfried Achenwall (1749), originally designated the analysis of data about the state.
- (singular) A mathematical science concerned with data collection, presentation, analysis, and interpretation.
- (collective noun) 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.