Answer:
Description
Explanation:
The cluster analysis refer to an activity in which there is a group of objectives set that shows the objects in the similar group that we called as a cluster
Here in the given situation, it is mentioned that the use of descriptor variables is used for cluster analysis in order to make a difference in sub samples
So here the description step is used in cluster analysis
Therefore the third option is correct
<span>The method by which a message is conveyed between people is called a discussion or a dialogue. The idea here is to allow a certain communication among participants in a back and forth manner.</span>
The answer to this question is a Request for Proposal. The request for proposal or RFP is a document requested and being sent to various suppliers / sub-contractors in order to present their company's services and cost of goods or services. It is also a document that is presented thru a bidding process in order to get the project from a certain company.