Using the Euclidean distance between pairwise observations, which pairwise observation is most dissimilar? Observation 1 2 3 X₂ 25 2 5 12 1 Group of answer choices Observations 1 & 3 Observations 2 & 3 and 1 & 3 Observations 2 & 3| Observations 1 & 2 and 2 & 3