Name: 
 

Lesson 5-2, Stem and Leaf Plots Practice


Multiple Choice
Identify the choice that best completes the statement or answers the question.
 
 
The stem-and-leaf plot shows the test scores of a science class. Use it to answer the questions.

nar001-1.jpg
 

 1. 
How many students scored 78?
A
1 student
B
2 students
C
3 students
D
4 students
 

 2. 
What is the median of the data?
A
23
B
78
C
82
D
82.5
 

 3. 
The stem-and-leaf plot shows the number of cans of food collected by various students for a food drive. What was the greatest number of cans collected?

mc003-1.jpg
A
54
B
56
C
51
D
53
 

 4. 
What data are represented by the stem-and-leaf plot below?

3
5 7 8
4
3 5 7
5
6 9
Key: 13 means 13
A
mc004-1.jpg
C
mc004-3.jpg
B
mc004-2.jpg
D
mc004-4.jpg
 

 5. 
The stem-and-leaf plot shows the number of cans of food collected by various students for a food drive. How many students collected more than 43 cans?

Stem
Leaves
3
0  1  1  1  4  4  4
4
0  1  3  4  4  5
5
0  3  3  6  8

key: 3 | 5 means 35
A
5
B
9
C
7
D
8
 

 6. 
The stem-and-leaf plot shows the number of fish that were caught by several ships in a fishing fleet. How many ships caught 37 fish or fewer?

StemLeaves
30  3  3  5  6
40  2  4  5  8  9  9
50  1  2  4
     
key: 2 | 4 means 24
A
4
B
5
C
6
D
11
 

 7. 
The stem-and-leaf plot above shows the number of kilometers walked by participants in a benefit walk.
a. How many people participated in the walk?
b. How many of the walkers traveled more than 14 kilometers?

Number of Kilometers Walked by Participants
12
0  3  6  7  9  9
13
0  1  4  5  5
14
0  0  2  3  3  8  8  9
15
0  2  2  2  2  3  5  5  7
16
0  5  5  9  9
17
0  4  5

12 | 3 means 12.3
A
147 people; 23 walkers
C
36 people; 23 walkers
B
36 people; 25 walkers
D
147 people; 33 walkers
 

 8. 
Make a stem-and-leaf plot for the data set.
56, 113, 89, 85, 96, 104, 65, 67, 72, 88, 97
A
mc008-1.jpg
Key: 8 | 9 means 89
C
mc008-3.jpg
Key: 8 | 9 means 89
B
mc008-2.jpg
Key: 8 | 9 means 89
D
mc008-4.jpg
Key: 8 | 9 means 89
 

 9. 
What data are represented by the stem-and-leaf plot below?
mc009-1.jpg
Key: 4 | 1 means 41
A
37, 38, 39, 41, 43, 47, 52, 54
C
7, 8, 9, 1, 3, 7, 2, 4
B
73, 83, 93, 14, 34, 74, 25, 45
D
37, 38, 39, 14, 34, 74, 25, 45
 

 10. 
Find the mode and the median of the data in the stem-and-leaf plot below.
mc010-1.jpg
Key: 6 | 3 means 63
A
no mode; 73
C
54; 73
B
63; 73.5
D
no mode; 73.5
 

 11. 
The back-to-back stem-and-leaf plot below shows the ages of patients seen by two doctors in a family clinic one day. What is the difference between the age of the oldest patient seen by Doctor 1 and the age of the oldest patient seen by Doctor 2?

Ages of Doctor’s Patients
Doctor 1
 
Doctor 2
 
3
5
9 2 0
2
0 0 2 3 6
8 7 5
1
3 7
9 7 3 2 1 1
0
2 2 3 9
Key: means 29 mc011-1.jpg 9 | 2 | 3 mc011-2.jpg means 23
A
34 years
B
1 year
C
6 years
D
27 years
 

 12. 
A back-to-back stem-and-leaf plot showing the scores of fifteen students on two history tests is shown below.
mc012-1.jpg
mc012-2.jpg

a.List all of the test scores for both tests.
b.What is the median score for each test?
A
Test 1: 89, 88, 86, 82, 77, 76, 74, 75, 71, 71, 70, 69, 69, 54, 53;
Test 2: 51, 52, 62, 63, 66, 68, 69, 71, 73, 74, 75, 75, 77, 77, 80;
Median for Test 1: 74;
Median for Test 2: 69
B
Test 1: 89, 88, 86, 82, 77, 76, 74, 71, 71, 70, 74, 69, 63, 54, 53;
Test 2: 50, 52, 63, 63, 66, 68, 69, 71, 73, 74, 75, 75, 77, 77, 77;
Median for Test 1: 71;
Median for Test 2: 73
C
Test 1: 89, 88, 86, 82, 77, 76, 74, 75, 71, 71, 70, 69, 63, 54, 53;
Test 2: 50, 52, 62, 63, 66, 68, 69, 71, 73, 74, 75, 75, 77, 77, 80;
Median for Test 1: 75;
Median for Test 2: 71
D
Test 1: 89, 88, 86, 86, 77, 76, 74, 71, 71, 70, 74, 69, 63, 54, 53;
Test 2: 50, 52, 62, 62, 66, 68, 69, 71, 73, 74, 75, 75, 77, 77, 80;
Median for Test 1: 71;
Median for Test 2: 79
 

 13. 
The stem-and-leaf plot below could NOT represent which of the following?

1
1  2  2  7  7
2
1  4  4  7
3
3  5  6  8  9
Key: 3 | 2 means 3.2
A
the average number inches of rain in June
B
the height of plant seedlings, in inches
C
the weight of phonebooks, in pounds
D
the height of NBA basketball players, in meters
 



 
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