Statistics is a branch of mathematics concerned with the collection and interpretation of data.(1) As data collection becomes more prominent and frequent, statistics are necessary in order to analyze and interpret the data.
For more comprehensive information on getting started with statistics.
(1) Statistics. (2016). In Helicon (Ed.), The Hutchinson unabridged encyclopedia with atlas and weather guide. Abington, UK: Helicon. Retrieved from http://ezproxy.apus.edu/login?url=http://search.credoreference.com/content/entry/heliconhe/statistics/0?institutionId=8703
(The info pages are also available in PDF for download.)