2020-04-29

How do you know if data is nominal ordinal interval or ratio?

Nominal scale is a naming scale, where variables are simply “named” or labeled, with no specific order. Ordinal scale has all its variables in a specific order, beyond just naming them. Interval scale offers labels, order, as well as, a specific interval between each of its variable options.

What is nominal interval ordinal ratio?

Interval: has values of equal intervals that mean something. For example, a thermometer might have intervals of ten degrees. Examples: Celsius Temperature.

Is race nominal ordinal interval or ratio?

For example, Race is a nominal variable having a number of categories, but there is no specific way to order from highest to lowest and vice versa.

Is temperature nominal ordinal interval or ratio?

An interval scale is one where there is order and the difference between two values is meaningful. Examples of interval variables include: temperature (Farenheit), temperature (Celcius), pH, SAT score (200-800), credit score (300-850).

Is age an ordinal ratio?

Age is frequently collected as ratio data, but can also be collected as ordinal data. This happens on surveys when they ask, “What age group do you fall in?” There, you wouldn’t have data on your respondent’s individual ages – you’d only know how many were between 18-24, 25-34, etc.

Is a rating scale ordinal or interval?

Rating scales can be scaled to have equal intervals. For example, the Subjective Mental Effort Questionnaire (SMEQ) has values that correspond to the appropriate labels.

Is blood type nominal or ordinal?

Nominal scales name and that is all that they do. Some other examples are sex (male, female), race (black, hispanic, oriental, white, other), political party (democrat, republican, other), blood type (A, B, AB, O), and pregnancy status (pregnant, not pregnant.

Is IQ an interval or ratio?

An IQ (Intelligence Quotient) score from a standardized test of intelligences is a good example of an interval scale score. IQ scores are derived from a lengthy testing process that requires the participant to complete a number of cognitive tasks.