Scales of Measurement: NOIR Data on a Nominal Scale – A nominal scale assigns numbers as mere labels or types- words or letters would work just as well – Example: numbers on jerseys that serve to identify athletic participants – Example: rocks can be classified as igneous, sedimentary, and metamorphic Data on an Ordinal Scale – An ordinal scale assigns numbers according to some rank ordering – Example: order in which participant's finish a race (1 st, 2 nd, … ) Data on a Nominal Scale – A nominal scale assigns numbers as mere labels or types- words or letters would work just as well – Example: numbers on jerseys that serve to identify athletic participants – Example: rocks can be classified as igneous, sedimentary, and metamorphic Data on an Ordinal Scale – An ordinal scale assigns numbers according to some rank ordering – Example: order in which participant's finish a race (1 st, 2 nd, … ) 1.
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