${?}_{{?}_{{?}_{?}}{?}_{{?}_{?}}{?}_{{?}_{?}}{?}_{{?}_{?}}{?}_{{?}_{?}}is\text{a}\text{l}\text{e}\text{v}\text{e}\text{l}of\text{m}\text{e}\text{a}\text{s}\text{u}\text{r}\text{e}\text{m}\text{e}\text{n}\text{t}\text{w}\text{h}\text{e}\text{r}\text{e}\text{n}\text{u}\text{m}\text{b}\text{e}\text{r}\text{s}\text{a}\text{r}\text{e}\text{u}\text{s}\text{e}\text{d}to\text{c}\text{a}\text{t}\text{e}\text{g}\text{o}\text{r}\text{i}\text{z}\text{e}(i.e.,1}=$ male, $2=$ female$)$

Group $of$ answer choices

Interval

Ordinal

Ratio

Nominal