Which term is associated with anything that relates to numbers?

The term that best represents anything that relates to numbers is "Numeric." This term specifically references the use of numbers and can encompass various types of numerical data, from simple counting to complex calculations. It emphasizes the numerical aspect without delving into the additional frameworks or systems that other terms might imply.

While "Quantitative," "Statistical," and "Mathematical" are all related to numbers in some way, they have more nuanced meanings. "Quantitative" usually refers to data that can be measured and expressed numerically, emphasizing the aspect of measurement. "Statistical" pertains to the field of statistics, which involves collecting, analyzing, interpreting, presenting, and organizing data, often involving numerical data sets. "Mathematical" refers more broadly to the field of mathematics, which includes not only numbers but also the study of relationships, patterns, and abstract concepts related to numbers.

Therefore, "Numeric" is the most direct term referring specifically to anything that is associated with numbers.