Collection And Analysing Of Data Worksheets Page 41
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48Chapter Study
Guide and Review
Key Vocabulary
Be sure the following Key
Concepts are noted in
Concept
bar graph
your Foldable.
your Fold
data
line plot
pictograph
probability
scale
Key Concepts
Vocabulary Check
Data is collected information or facts.
•
•
It can be collected through surveys,
Choose the vocabulary word that
experiments, and observation.
completes each sentence.
(Lesson 1)
Frequency tables help us to record
• •
1. A set of
?
is
and organize collected data.
(Lesson 1)
information or facts that have
Friends’ Eye Color
been collected.
Color
Tally
Frequency
Blue
9
2. The chance that an event will
Green
3
happen is
?
.
Brown
6
3. A
?
is a graph that uses
•
•
Data can be displayed several ways.
A picture graph and pictograph
columns of Xs above a number
use a picture or symbol to show and
line to show frequency of data.
compare data.
(Lesson 2)
4. A
?
compares data by
A bar graph compares data with bars.
using bars of different lengths
(Lesson 3)
or heights to show the values.
A line plot uses a number line and Xs
to show how often something
5. A
?
is a set of numbers
happens.
(Lesson 4)
that represent the data.
You can learn from the information in
• •
a graph when you analyze the data.
?
6. A
displays a symbol
(Lesson 2)
to represent data.
336 Collect and Analyze Data
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