Please justify your answers with at most 2 sentences.

(a) (2 points) Binary attribute is equivalent to discrete attribute. (b) (2 points) For a unimodal curve that is not symmetric, according to the empirical formula mean mode =3( mean median ), its median and mode are usually on the same side of its mean. (c) (2 points) For a group of scalars, the median is always smaller than its max and larger than its min. (d) (2 points) Given two real-valued vectors, if their histogram are exactly the same, these two vectors are the same. (e) (2 points) Given a similarity measure between two objects A and B, e.g., S(A,B), we can always define a valid distance measure as D(A,B)=S(A,B)1