They are

**nominal**,**ordinal**,**interval**, and**ratio**. Data at the**nominal**level of measurement are qualitative. No mathematical computations can be carried out. Data at the**ordinal**level of measurement are quantitative or qualitative.Keeping this in view, what is an example of a ratio level of measurement?

Numbers can be grouped into 4 types or levels:

**nominal**,**ordinal**, interval, and ratio.**Nominal**is the most simple, and ratio the most sophisticated. Each level possesses the characteristics of the preceding level, plus an additional quality.**Nominal**is hardly measurement.What are the four levels of measurement?

Data Levels of Measurement. A variable has one of four different levels of measurement:

**Nominal**,**Ordinal**,**Interval**, or**Ratio**. (**Interval**and**Ratio**levels of measurement are sometimes called Continuous or Scale).What is interval data?

The

**interval**between values is not interpretable in an ordinal measure. In**interval**measurement the distance between attributes does have meaning. For example, when we measure temperature (in Fahrenheit), the distance from 30-40 is same as distance from 70-80. The**interval**between values is interpretable.