What is the correct sequence of preparing data for analysis?

What are the most popular programming languages for data analysis currently?

Big data is useless unless companies are able to:

A centroid is:

Which is least likely to be an objective for analytics?

Which is true about positioning?

Hadoop is a(n):

Who/what chooses how many clusters to use?

If a graph database displays customers of different ages and ethnicities, and the ways that they interact with each other is retail stores, the nodes are which of the following?

Which data source are the least beneficial to a business analytics professional?