Download Lesson 2-5

Five-Minute Check (over Lesson 2–4)
Main Idea and Vocabulary
Example 1: Display Data in a Line Plot
Example 2: Analyze a Line Plot
Example 3: Analyze a Line Plot
Example 4: Analyze a Line Plot
• Display, analyze, and interpret data using line
plots.
• line plot
Display Data in a Line Plot
BOOKS Make a line plot of the data below.
Step 1 Draw a number line. The smallest value is
1 book and the largest value is 10 books. So,
you can use a scale of 0 to 10.
Display Data in a Line Plot
Step 2 Put an × above the number that represents each
number of books read. Add a title.
Answer:
Make a line plot of the data.
A.
B.
C.
A
B
C
0%
D
D
C
B
A
D.
0%
1.
2.
3.
0%
0%
4.
Analyze a Line Plot
How many students read 10 books?
Locate 10 on the number line and count the number of
×’s above it. There are 2 students who read 10 books.
Answer: 2 students
How many students sold
10 raffle tickets?
A. 1 student
B. 2 students
D. 4 students
A
B
C0%
D
D
0%
B
A
0%
1.
2.
3.0%
4.
C
C. 3 students
Analyze a Line Plot
What is the difference between the greatest and least
number of books represented in the line plot?
The least number of books read is 1. The greatest
number of books read is 10.
10 – 1 = 9
Subtract to find the difference.
Answer: The difference is 9 books.
What is the difference
between the greatest and
least number of raffle
tickets represented in the
line plot?
A. 5 tickets
A
B
C0%
D
D
A
D. 11 tickets
0%
B
0%
C. 9 tickets
1.
2.
3.0%
4.
C
B. 6 tickets
Analyze a Line Plot
If the line plot shows the number of books that
members of a book club read in one month, write
one or two sentences that analyze the data.
Sample answer: Most book club members read
between 1 and 3 books.
If the line plot shows the
number of raffle tickets that
students in Miss Ferguson’s
class sold in one week,
write one or two sentences
that analyze the data.
A. Most students sold more than 13
tickets.
D. The most common number of
tickets sold was 8 tickets.
D
A
B
0% C 0%
D
C
0%
A
C. The most common number of
tickets sold was 12 tickets.
1.
2.
3.
0%
4.
B
B. Most students sold 10 or more
tickets.
End of the Lesson
Five-Minute Check (over Lesson 2–4)
Image Bank
Math Tools
Construct a Stem-and-Leaf Plot
Making Predictions from Graphs
(over Lesson 2-4)
Which shows a stem-and-leaf plot for the set of
data? Bus ride in minutes: 28, 27, 15, 23, 15, 22, 25,
33, 19, 11, 25, 18
1.
0%
2.
3.
4.
0% A 0%
B
C
D
0%
D
D.
C
C.
B
B.
A
A.
(over Lesson 2-4)
Which shows a stem-and-leaf plot for the set of
data? Test scores: 89, 84, 74, 105, 94, 82, 90, 74,
107, 86, 99, 100, 97, 71
A.
B.
0%
D
A
0%
B
C
D
C
0% 1. 0%
2.
3.
4.
B
D.
A
C.
(over Lesson 2-4)
For the stem-and-leaf plot, what are
the least and greatest numbers in
the set of data? How many
numbers are greater than 85?
A. 71 and 107; 7
B. 71 and 107; 9
1.
2.
3.
4.
C. 89 and 107; 7
0%
D
0%
C
0%
B
0%
A
D. 89 and 107; 9
A
B
C
D
(over Lesson 2-4)
The stem-and-leaf plot shows
the cost of various video
games. Which statement is
true?
A. The majority of the video
games cost less than $40.
B. The most common video
game price is $45.
1.
2.
3.
4.
0%
0%
D
0%
C
A
D. Two video games cost more
than $60.
0%
B
C. Five video games cost
between $40 and $49.
A
B
C
D