How can you use and compare data to solve real-world problems?

The correct answer for this question is this one:

"You use and compare data to solve real-world problems includes the following:
(1) For numerical real-world data, you can graph the data and identify similarities and differences in corresponding parts of the graph. (2) For categorical real-world data, you can graph the data and compare the centers, spreads, and shapes of the graphs."

The answer would be 5< 6n