Level measurement of the variable section is windowed # (Ordinal scale) or a scale interval (Interval scale) or section. Ratio (Ratio scale) that can be rating (Rank).
The measurement of the variables is the sort of statute (Ordinal scale) or section interval (Interval scale) or Section Ratio (Ratio scale) can be rated (Rank) has.
Level of measurement is the exchange sort number (Ordinal scale) or section interval (Interval scale) or section ratio (Ratio scale). That can be used to rank (Rank).