Data refers to information that is recorded or stored. It can refer to anything from numbers and text to images and videos. Data is used to make informed decisions, support research and analysis, and provide insights into various aspects of the world.
Nominal data
Nominal data refers to data that is categorical in nature, meaning it is used to classify or label items into distinct categories or groups. It is often used in surveys and questionnaires, and can be represented by numbers or labels. Nominal data is not numerical and cannot be used to perform mathematical operations such as addition or averaging.