A nearest neighbor approach is best used: (a) With large-sized data sets. (b) When irrelevant attributes have been removed from the data. (c) When a generalized model of the data is desirable. (d) When an explanation of what has been found is of primary importance. Select only one choice and give additional explanations

(b) When irrelevant attributes have been removed from the data.

Explanation:

A nearest neighbor approach -

It refers to the method of searching where the nearest point from the given set can be determined with respect to some specific point , is referred to as the nearest neighbor approach .

The method is used for the purpose of finding soe data in order to replace , edit , remove or add some data .

Hence , from the given question ,

The correct answer about nearest neighbor approach is b.