7.Suppose we have the following data. Find 2-nearest neighbors.

Case	Repeat	Score	Type
1	7	50	D
2	10	100	C
3	5	80	B
4	6	150	A
5	12	110	?

8. Consider the following outputs for two different classifiers :

True Class True Class

A 350 50 A 230 30 Classified as

B 30 120 B 50 140

Which classifier is better and why?