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Measurement Scales

Nominal Scale: Observations classified with no order. e.g. Participating Cars assigned numbers from 1 to 10 in the car race.

Ordinal Scale: Observations classified with a particular ranking out of defined set of rankings. e.g. Driver assigned a pole position according to their performance in heats.

Interval Scale: Observations classified with relative ranking. It's an ordinal scale with the constant difference between the scale values. e.g. Average temperature of different circuits.

Ratio Scale: It's an interval scale with a constant ratio of the scale values. True Zero point exists in the ratio scale. e.g. Average speed of the cars during the competition. 
 
Sample Question

 

Q: Which of the following type of scale is used when interest rates on Treasury bill is mentioned for 60 years?

A. Ordinal scale
B. Interval scale
C. Ratio scale

Answer:
Ratio Scale

 

 

Expect 2 questions form Measurement Scales




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