learn some new terms. But don’t worry, if you can grasp the basics, then you’ll
have no trouble with these SAT problems.
What do statisticians do? To put it as simply as possible: They look at groups
of people (which they call populations), and record data about the stuff they do.
For example, you could walk around your classroom, asking your fellow
students how they scored on the SAT. Not only will this net you a bunch of new
friends, but it will also get you a big ol’ pile of data. We could chart it like this:
And likely a couple of enemies.
—Samantha
number of students score range2 800–10007 1000–12006 1200–1400
4 1400–1600
What’s the story here? Two students scored between 800 and 1000, seven
between 1000 and 1200, and so on. We can illustrate the table in this graph: