Type of variable
Level of measurement
Nominal
Quantitative
Ordinal
Interval
Categorical
Ratio
(a) Height (in centimeters) of an Olympic athlete
(b) Type of shirt on the clearance rack (long-sleeved with collar, long-sleeved without collar, short-sleeved with collar, or short-sleeved without collar)
(c) Medal won in a recent race (gold, silver, bronze, or none)