how to calculate it ?

25. [2 points] Suppose we trained a k-Nearest Neighbor classifier where k=3. The dataset is divided into a training set of 90 points and a testing set of 10 points. What is the total number of distance calculations carried out during the testing phase? (a) 1000 (b) 30 (c) 900 (d) 190 (e) 270 Correct answers: (c) 25. [2 points] Suppose we trained a k-Nearest Neighbor classifier where k=3. The dataset is divided into a training set of 90 points and a testing set of 10 points. What is the total number of distance calculations carried out during the testing phase? (a) 1000 (b) 30 (c) 900 (d) 190 (e) 270 Correct answers: (c)