statistics

The mathematics of the collection, organization, and interpretation of numerical data, especially the analysis of population characteristics by inference from sampling.

Numerical data.

A systematic collection of numbers relating to the enumeration of great classes, or to ratios of quantities connected with such classes, and ascertained by direct enumeration.

The study of any subject, especially sociology, by means of extensive enumerations; the science of human society, so far as deduced from enumerations.

The science which has to do with the collection, classification, and analysis of facts of a numerical nature regarding any topic.