Examlex
Opportunity cost is defined
NOIR
An acronym representing four levels of measurement in statistics: Nominal, Ordinal, Interval, and Ratio.
Nominal
A system of classification based on names rather than scales or rank ordering—for example, press, radio, and television.
Ratio
In measurement, refers to a scale that contains a “true” zero—for example, zero speed on a speedometer.
Semantic Differential-Format
A type of survey rating scale that measures people's reactions to concept words or phrases across a semantic space of polar adjectives.
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