Discuss the 3 major groups of analytic approaches in terms

Questions:

1.       Discuss the 3 major groups of analytic approaches in terms of the kinds of questions answered by their output

2.       What operational criteria are commonly used to define the label "Big Data"?

3.       What is the differences between descriptive, predictive, and prescriptive in terms of data analysis and informatics?

I expect 2-3 pages of fact-based material to answer these questions.

Paper should be APA formatted with citation.