7 - stem & leaf plots

1. STEM AND LEAF
PLOTS

2. Vocabulary
•Leaf – the last number
•Stem – anything to the left of
the very last number
(sometimes that is “0” ;
sometimes it is two numbers)
•Key – an explanation of the
stem and leaf

3. High temperatures for the
last week: 72, 78, 87, 90,
88, 86, 87, 89
Stem
7
8
9
Leaf
2 8
6 7 7 8 9
0
7 2 = 72 degrees

4. Stem and Leaf Plot
•Here are the numbers of homeruns that Babe
Ruth hit in each of his 15 years with the
New York Yankees from 1920-1934:
–54, 59, 35, 41, 46, 25, 47, 60, 54, 46, 49, 46, 41,
34, 22

5. 2 3 6 7 8 9 9
0 0 1 1 1 1 2 2 4 4 4 4 5 5 5 6 6 6 7 7 7 7 8
0 1 1 1 2 4 4 5 8 9
StemLeaf
4
5
6
Age of United states Presidents at their First
Inauguration: 57 61 57 57 58 57 61 54 68 51 49 64
50 48 65 52 56 46 54 49 50 47 55 54 42 51 56
55 51 54 51 60 62 43 55 56 61 52 69 64
(Through the 40
th
presidency)STEM A SS N DTLFP AN
Key: 5 7 means 57

6. 2 3 6 7 8 9 9
0 0 1 1 1 1 2 2 4 4 4 4 5 5 5 6 6 6 7 7 7 7 8
0 1 1 1 2 4 4 5 8 9
StemLeaf
4
5
6
Age of United states Presidents at their First
Inauguration: 57 61 57 57 58 57 61 54 68 51 49 64
50 48 65 52 56 46 54 49 50 47 55 54 42 51 56
55 51 54 51 60 62 43 55 56 61 52 69 64
(Through the 40
th
presidency)STEM A SS N DTLFP AN
Key: 5 7 means 57