# Interpreting Graph Data

Graphical Methods

1. What interval represents the most number of courts?

2. How many courts have less than 20,000 seats?

3. How many courts have between 17,000 and 19,000 seats?

4. How many courts have at most 20,000 seats?

5. How many courts have at least 21,000 seats?

6. How big is each interval?

7. What is the percentage of winning super bowl

games is interval 10-19.

8. How many winning teams score less than 30

points.

______________________________________________________________________________

9. Identify the interval above that is not equal to the other three. EXPLAIN answer choice.

© BrainMass Inc. brainmass.com October 10, 2019, 7:26 am ad1c9bdddfhttps://brainmass.com/math/graphs-and-functions/interpreting-graph-data-581852

#### Solution Preview

Graphical Methods

1. What interval represents the most number of courts?

Interval [19000, 19999]

2. How many courts have less than 20,000 seats?

The first 4 intervals all have less than 20000 seats. So the count is 1+3+4+12=20

3. How many courts have between 17,000 and 19,000 seats?

There are 3+4=7 counts between ...

#### Solution Summary

The solution attaches a .doc which gives detailed steps on solving various types of questions on histogram and intervals.