Using the Euclidean distance between pairwise observations, which pairwise observation is most dissimilar?
Observation x1 x2
1 2 5
2 9 4
3 12 1
Multiple Choice
A) Observations 2 & 3
B) Observations 1 & 3
C) Observations 2 & 3 and 1 & 3
D) Observations 1 & 2 and 2 & 3
