When the data are labels or names used to identify an attribute of the elements, the variable has Nominal scale of measurement.
Data is defined as facts or figures which is stored and used for analysis. Data can be statistics, individual facts, or items of information, often numeric.
Data are considered as atoms of decision making. Atoms in the sense as they are the smallest units of factual information, which after being large or precise, can be used as a basis for reasoning, discussion, or calculation.
A Nominal Scale is a measurement scale. In this scale, numbers serve as “tags” or “labels” only, which identifies or classifies an object. This measurement normally deals only with a non-numeric variables or where there is no usage of numbers.
Nominal scale is considered to be qualitative in nature, which means numbers are used here only to categorize or identify any object.
For instance, football fans are really excited, as the football world cup is around the corner! Have you ever noticed the numbers on a jersey of a football player? These numbers got nothing to do with the ability of players, however, they can just help us identify the player.
Therefore, Nominal scale possesses only unique labels to identify or delegate values to the items.
Hence, the answer was given and explained above.
To learn more about the Nominal scale here:
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