Gartner classified the core analytics techniques into four broad categories.

Analytics                                                                      Question 

1 Predictive Analytics                                        A. How can I make it happen?

2 Diagnostic Analytics                                       B. What happened?

3 Descriptive Analytics                                      C. What will happen?

4 Prescriptive Analytics                                     D. Why did it happen?


Which of the following is the correct match between the questions and their respective analytics?