Stem and Leaf Diagrams Stem and leaf diagrams are

ellena-manuel
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Stem and Leaf Diagrams Stem and leaf diagrams are
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Stem and Leaf Diagrams Stem and leaf diagrams are a pictorial way of showing statistics The important parts of a stem and leaf diagram are The Title The stem The leaves in order starting from the stem The number of items The key Class Maths

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01
Stem and Leaf Diagrams Stem and leaf diagrams are a pictorial way of showing statistics
The important parts of a stem and leaf diagram are The Title The stem The leaves in order starting from the stem The number of items The key Class Maths Marks 0 2 2 6 8
3 4 9 5 9
0 0 2 6 9 9 9
0 4 5 n = 20 2 / 3 means a mark of 23<br>
02
A group of students measured their pulse rates in beats per minute. The results were.
66 69 62 58 74 56 67 72 61 62 59 60 72 58 63
Draw a Stem and Leaf diagram to show this We need a title Pulse rates (beats per minute) We need the stems We need the Leaves 8 6 9 8
6 9 2 7 1 2 0 3
4 2 2 We need to reorder the leaves 6 8 8 9
0 1 2 2 3 6 7 9
2 2 4 We need to write in n n = 15 We need the key 6 / 2 means 62 beats per minute<br>
03
A group of students were asked how much pocket money they get. The results were.
£6.60 £6.90 £6.20 £5.80 £7.40 £5.60 £6.70 £7.20
£6.10 £6.20 £5.90 £6.00 £7.20 £5.80 £6.30
Draw a Stem and Leaf diagram to show this Note this gives us the same diagram as the previous example. This shows the importance of the title and key.<br>