1. . . . 3 or fewer subsets so that the intracluster distance is ≤ 2.0. 2. . . . subsets S1, . . . , Sk so the intracluster distance is as small as possible. (You choose k.) 3 . . . subsets S1, . . ....

1. . . . 3 or fewer subsets so that the intracluster distance is ≤ 2.0.

2. . . . subsets S1, . . . , Sk so the intracluster distance is as small as possible. (You choose k.)

3 . . . subsets S1, . . . , Sk so the intercluster distance is as large as possible. (Again, you choose k.)