1. the median of the set {0, 0, 4, 6, 6, 8} is
2. the range of the set {0, 0, 4, 6, 6, 8} is
3. how many modes does the set {0, 0, 4, 6, 6, 8} have?
4. the median of the set {2, 8, 4, 9, 1, 0, 7} is
5. the range of the set {2, 8, 4, 9, 1, 0, 7} is
6. how many modes does the set {2, 8, 4, 9, 1, 0, 7} have?