Christanity is most definitely the biggest religion practiced in America
Answer: 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.
Probably B or C because if your inspecting the property you need to know what's wrong with it, maybe D too