Suppose Three Brands Are Rated on an Interval Scale Regarding

Suppose three brands are rated on an interval scale regarding degree of preference.Brand X receives a 6 (most preferred) ,Brand Y a 3,and Brand Z a 2.What conclusions can be drawn from this data?

A) Brand X is three times as preferred as Brand Z.
B) Brand Y is more preferred than Brand Z.
C) The difference between Brand X and Brand Y is three times greater than the difference between Brand Y and Brand Z.
D) all of the above
E) both b and c