Mathematics is the study of numbers, shapes and patterns. The word comes from the Greek word "μάθημα" (máthema), meaning "science, knowledge, or learning", and is sometimes shortened to maths (in England, Australia, Ireland, and New Zealand) or math (in the United States and Canada). ... Numbers: how things can be counted.

Statistical analysis provides a framework for organizing data, analyzing data, and examining business problems in a logical and systematic way. Two characteristics of great interest in data description are the central tendency and degree of variation in a given variable.