Page 567 - Basic College Mathematics with Early Integers

Chapter 7 Vocabulary Check

Fill in each blank with one of the words or phrases listed below.
outcomes bar experiment mean tree diagram
pictograph line class interval median probability
histogram circle class frequency mode

1. A(n) graph presents data using 9. A(n) is an activity being
vertical or horizontal bars. considered, such as tossing a coin or rolling a die.
2. The of a set of number items 10. In a(n) graph, each section
sum of items (shaped like a piece of pie) shows a category and
is .
number of items the relative size of the category.
3. The possible results of an experiment are the 11. The of an event
.
number of ways that
4. A(n) is a graph in which pictures the event can occur
or symbols are used to visually present data. is number of possible .
5. The of a set of numbers is the outcomes
number that occurs most often. 12. A(n) is a special bar graph in
6. A(n) graph displays information which the width of each bar represents a
with a line that connects data points. and the height of each bar
7. The of an ordered set of numbers represents the .
is the middle number.
8. A(n) is one way to picture and
count outcomes.
Are you preparing for your
test? Don’t forget to take the Chapter 7 Test on
page 552. Then check your answers at the back
of your text and use the Chapter Test Prep
Videos to see the fully worked-out solutions to
7 Chapter Highlights any of the exercises you want to review.

Definitions and Concepts Examples

Section 7.1 Reading Pictographs, Bar Graphs, Histograms, and Line Graphs

A pictograph is a graph in which pictures or symbols are Wheat Production
used to visually present data. 14
A line graph displays information with a line that connects 12
data points. 10
A bar graph presents data using vertical or horizontal 8
bars. Acres Harvested (in millions) 6
The bar graph on the right shows the number of acres of 4
wheat harvested in 1996 for leading states. 2

ND KS WA MT SD OK
Copyright 2012 Pearson Education, Inc.
States
Source: U.S. Department of Agriculture
1. Approximately how many acres of wheat were har-
vested in Kansas?
9,000,000 acres

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