Cluster analysis is which of the following? a) a technique for grouping people so that groups are as far from the centroid as possible b) a technique for grouping people so that those in the same group are more like one another compared with those in other groups c) a technique for grouping people so that those in the same group are different from one another compared with those in other groups d) a technique for grouping people so that groups are most similar to one another

B) A technique for grouping people so that those in the same group are more like one another compared with those in other group

Explanation:

Clustering is puts members which are similar in nature into groups. They are more similar to the ones in the group rather than those with the outside group. Clustering helps us to analyze the data better giving us more accurate result.

Determing the factors according to which the clustering is done is important. Various clustering algorithms can used for clustering. However, the one which best suits the need of the research has to be determined.

the use of electrical signals that transit messages is know as