What is data?

What is data? Data is a collection of related information. Data are units of information, often numeric, that are collected through observation. In a more technical sense, data are a set of values of qualitative or quantitative variables about one or more persons or objects, while a datum (singular of data) is a single value of a single variable. Although the terms “data” and “information” are often used interchangeably, these terms have distinct meanings. In some popular publications, data are sometimes said to be transformed into information when they are…