7th Grade Math

Statistical Displays 487

When Will I Use This?When Will I Use This?

For our report

we decided to

compare record

temperatures for

2 of the hottest

places in the U.S.

Let’s find the

U.S. city that is

closest to the

equator.

I’m sure it

must be

some place

in Texas. I’ll

look it up.

I’ll get

the weather

data.

Wow! The southernmost point

in the U.S. is actually

Key West, Florida!

Key West!

Ok, great.

Let’s compare that

with another place

that gets lots

of sun.

Well, my cousin

lives in Phoenix,

Arizona. He

always tells me

how hot it gets

there.

Phoenix, Arizona!

Coming right up!

Ok, I got a set of

monthly record

highs for both

places.

What’s the best way to

compare the data?

Boy, I sure wish I

was in either place

right now.

You will solve this

problem in the chapter.

l thi

Your Turn!Your Turn!

486_489_C09_CO_895130.indd 487 1/11/10 9:29 AM