Samuel, a researcher, deduces that single women between the ages of 25 and 30, who usually live in the suburbs and make thrifty purchases, prefer a particular brand of washing machines. in this case, samuel uses to understand customer behavior.

Cluster analysis

Explanation:  

Cluster analysis is the grouping process in which the elements persisting more similarities in nature , characteristics or appearance are gathered as compared to any other group. This type of group is known as cluster.

According to the question, Samuel is using the method of cluster analysis for his research to analyze the behavior of customers. He is making the cluster of women according to the age and their preferences about the purchase of washing machine.

Cluster analysis

Explanation:

Cluster analysis is a procedure in which a researcher collected the data from the same group called cluster and all are the same except another group. It is not called a general algorithm but it general to solve the problem in the data. It is a group of data objects.

There are many types of cluster model as:

sumerians were polytheistic, meaning they believed in many different gods. so, the best answer is c.