Stem-and-Leaf Plots

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Stem-and-Leaf Plots
A stem-and-leaf plot can help you
compare data.
The heights of 11 fourth-grade
badminton players are (in
inches):
•
•
•
•
•
•
56
61
61
60
59
57
•
•
•
•
•
58
58
63
61
59
You can organize this data in
a stem-and-leaf plot!
First, order your data from least
to greatest.
•
•
•
•
•
•
56
57
58
58
59
59
•
•
•
•
•
60
61
61
61
63
Then, put your data in a stemand-leaf plot.
The ordered numbers are: 56, 57, 58, 58, 59,
59, 60, 61, 61, 61, 63
• Each STEM stands
for the first digit of
each number.
• Record the tens
digits in order from
least to greatest.
HEIGHT IN INCHES
Stem Leaves
5 6, 7, 8, 8, 9, 9
6 0, 1, 1, 1, 3
The ordered numbers are: 56, 57, 58, 58, 59,
59, 60, 61, 61, 61, 63
HEIGHT IN INCHES
Stem Leaves
5 6, 7, 8, 8, 9, 9
6 0, 1, 1, 1, 3
• Each LEAF stands
for the second digit
of each number.
• Record the ones
digits in order from
least to greatest.
You can use a stem-and-leaf plot
to find the median and the mode.
HEIGHT
Stem
5
6
IN INCHES
Leaves
6, 7, 8, 8, 9, 9
0, 1, 1, 1, 3
MEDIAN
Find the middle number
in a set of numbers.
MODE
Find the number that
occurs most often in a
set of numbers.
The median is 59 inches. The mode is 61 inches.
Now, let’s try one on our own!
Here are the scores of our
volleyball games in a stem-andleaf plot!
Volleyball Scores for Our Team
Stem Leaves
0 5, 6, 7, 9
1 3, 5, 5, 5, 6
How many volleyball games were
played?
Stem Leaves
0 5, 6, 7, 9
1 3, 5, 5, 5, 6
9
What are the scores?
Stem Leaves
0 5, 6, 7, 9
1 3, 5, 5, 5, 6
5, 6, 7, 9, 13, 15, 15,
15, 16
What is the median?
Stem Leaves
0 5, 6, 7, 9
1 3, 5, 5, 5, 6
13
What is the mode?
Stem Leaves
0 5, 6, 7, 9
1 3, 5, 5, 5, 6
15
Congratulations, you are on the
way to being a stem-and-leaf
expert!!
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