Noun
ratio variable (plural ratio variables)
(statistics) A variable with the features of interval variable and, additionally, whose any two values have meaningful ratio, making the operations of multiplication and division meaningful.
Examples
Speed10 meters per second > 8 meters per second10 mps - 8 mps = 2 mps8 mps + 2 mps = 10 mps10 mps / 8 mps = 1.25 (times as fast)1.25 * 8 mps = 10 mps10 mps * 8 mps = not defined