Question

For the data below describes below identify the level of measurement as nominal ordinal interval or ratio

Answer 1

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Definitions:

Suppose you have a categorical variable, then its a nominal variable.

If the variable is categorical but you can rank between categories ( like: Best, Better, Worst) then the variable is called Ordinal.

A interval variable is a measurement where the difference between two values is meaningful. The difference between a temperature of 100 degrees and 90 degrees is the same difference as between 90 degrees and 80 degrees.

Ratio is same as interval but has another definition included. It includes a meaning of zero - it means something whereas 0 doesn't mean anything in interval scale. For example, temperature in Kelvin is a ratio variable, as 0.0 Kelvin really does mean 'no heat'. temperature in Degree is a not a ratio variable because it doesn't mean "No" heat