See statistics in Webster's New World College Dictionary
plural noun
facts or data of a numerical kind, assembled, classified, and tabulated so as to present significant information about a given subject
noun
the calculation, description, manipulation, and interpretation of the mathematical attributes of sets or populations too numerous or extensive for exhaustive measurements
See statistics in American Heritage Dictionary 4
(stə-tĭsˈtĭks)
noun
(used with a sing. verb) The mathematics of the collection, organization, and interpretation of numerical data, especially the analysis of population characteristics by inference from sampling.