what is interval variable in math are interval, ordinal, and nominal variables in a ratio and interval variable? are ratio, interval ordinal and nominal variables nested are ratio interval ordinal and nominal are ordinal and nominal variable nested how are interval and ratio variables nested are interval, interval, ordinal, and nominal variables nested what type of variable is ordinal what type of variable is interval are intervals nominal are interval, ordinal and nominal variables nested why is a nominal or interval variable nested what's the difference between interval nested and ordinal nested difference between a ratio and interval what is nominal ratio what is the definition of nested in relation to interval variable what is a nominal ratio what is nominal and ratio why are interval variables also nominal are interval, ordinal and nominal variables nested?