What are some ways that statistical data is used?

For this blog I want you to discuss some ways that you have seen statistical data used in real world context.

How do we represent statistical data?

For this blog entry you need to discuss the types of ways we represent statistical data. You can give me several or just one it is entirely up to you.

What is statistical data?

For this blog topic you should discuss what you believe is statistical data. You should come up with your own definition. I don't want to see a bunch of people that appear to have just copied one another.