Interval variable have all propeies except:-
Identity Different numerals display different classification Nominal, Ordinal,Interval, Ratio Magnitude Different numerals display different identity and magnitude Ordinal, Interval, Ratio Interval Numerals are meaningful and display propey of Equidistance Interval, Ratio True zero Represent the absence of an attribute Ratio - Thus, option-4 is the answer.
Identity
Magnitude
Propey of equidistance
True zero
Variables, Scales