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Ordinal data has an inherent order, i.e. ranking, in its possible values. For example 'poor, fair, good, excellent' is ordinal becaused there is an assumption that the four possible values are higher from one to the next. It can be coded as 1,2,3,4 but there is no assumption of equal spacing. Nominal data has no inherent ranking, only labeling-e.g. 'apple, strawberry, orange'. The choices are three levels with no assumed value. Any numerical coding does not reflect any quantitative meaning.
Georgette Asherman, Direct Effects, LLC
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Major advantage of ordinal data over nominal data?
its sick blad
Is the category of ages nominal or ordinal data?
Neither, age is at a ratio level of measurement.
Express age of group of person as nominal data?
illustrate how you can express the age of group of persons as {1}nominal,{2}ordinal data,{3} interval data,{4}ratio data
Is a bar chart used to represent interval data?
Bar charts are used to summarise nominal or ordinal data.
What is the correlation coefficient to use for ordinal versus nominal data?
I would use Spearman and Kendall
