Interpreting Data

1
Interpreting Data
Level 3 to 4 Booster Lesson 8
2
Interpreting Data
Oral and Mental Starter

• Learning Objectives
• Interpret diagrams and graphs
• Draw simple conclusions
• Vocabulary
• bar chart
• mode
• maximum

3
Goals Scored by Harriers OHT 8.1
This bar chart shows the number of goals scored
by Harriers in last seasons matches.
5
What was the highest number of goals Harriers
scored in a match?
4
Goals Scored by Harriers OHT 8.1
This bar chart shows the number of goals scored
by Harriers in last seasons matches.
2
2
6
5
4
1
How many matches in total did Harriers Play?
20
5
Goals Scored by Harriers OHT 8.1
This bar chart shows the number of goals scored
by Harriers in last seasons matches.
4
1
In how many matches did Harriers score more than
three goals?
5
6
Goals Scored by Harriers OHT 8.1
This bar chart shows the number of goals scored
by Harriers in last seasons matches.
2
What was the most common number of goals scored
(mode)?
7
Goals Scored by Harriers OHT 8.1
This bar chart shows the number of goals scored
by Harriers in last seasons matches.
How likely are Harriers to score seven goals in a
match when they play in the same league this
season?
Very unlikely
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Interpreting Data
Main Teaching

• Learning Objectives
• Extract and interpret data in tables,
  graphs,charts and diagrams
• Interpret diagrams and graphs (including pie
  charts), and draw simple conclusions
• Vocabulary
• Pie chart

9
Distances OHT 8.2
This table shows the distances between towns
Distances in miles
Which two towns are the shortest distance from
each other?
Bangor and Hull
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Distances OHT 8.2
This table shows the distances between towns
Distances in miles
Mrs Davis drove from Bangor to Exeter. What is
the distance between Bangor and Exeter?
289 miles
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Distances OHT 8.2
This table shows the distances between towns
Distances in miles
Mrs Davis then drove from Exeter to Dover. What
is the distance between Exeter and Dover?
248 miles
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Distances OHT 8.2
This table shows the distances between towns
Distances in miles
How far did Mrs Davis drive altogether?
248
289

537 miles
Why is this answer different from the distance
from Bangor to Dover in the table?
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Train tickets OHT 8.3
The ticket office at Exeter station keeps a
record of the type of ticket it sells. The
tickets sold on a Friday in December are shown in
the table below
How many different types of ticket are sold?
9
14
Train tickets OHT 8.3
The ticket office at Exeter station keeps a
record of the type of ticket it sells. The
tickets sold on a Friday in December are shown in
the table below
How many First-class saver tickets are sold?
11
15
Train tickets OHT 8.3
The ticket office at Exeter station keeps a
record of the type of ticket it sells. The
tickets sold on a Friday in December are shown in
the table below


How many return tickets are sold?
89
16
Train tickets OHT 8.3
The ticket office at Exeter station keeps a
record of the type of ticket it sells. The
tickets sold on a Friday in December are shown in
the table below




30
80
How many more Standard tickets than First-class
tickets are sold?
50
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Train tickets OHT 8.3
The ticket office at Exeter station keeps a
record of the type of ticket it sells. The
tickets sold on a Friday in December are shown in
the table below
Why do you think a lot of student tickets are
sold?
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Travellers OHT 8.4
The ticket office also records whether each
traveller is a man, woman or a child. The results
are shown in the pie chart
Are there more men passengers than women
passengers?
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Travellers OHT 8.4
The ticket office also records whether each
traveller is a man, woman or a child. The results
are shown in the pie chart
How many child passengers are there?
What other information would we need to know to
find the answer?
When is it better to use a pie chart than one of
the other types of graph? Explain your answer.
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Favourite colour OHT 8.5
John and Sandip collected some data on favourite
colour from a group of children.
red
blue
yellow
green
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Favourite colour OHT 8.5
John and Sandip collected some data on favourite
colour from a group of children.
red
blue
yellow
green
I think the pie chart is best as you can easily
see which is the most popular.
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Favourite colour OHT 8.5
John and Sandip collected some data on favourite
colour from a group of children.
I think the bar chart is better as you can
compare easily.
red
blue
yellow
green
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Favourite colour OHT 8.5
John and Sandip collected some data on favourite
colour from a group of children.
About half of the children chose blue.
red
blue
yellow
green
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Favourite colour OHT 8.5
John and Sandip collected some data on favourite
colour from a group of children.
red
blue
yellow
Yellow and green are about the same in
popularity.
green
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Favourite colour OHT 8.5
John and Sandip collected some data on favourite
colour from a group of children.
red
blue
yellow
green
I could work out how many children were asked
from the pie chart.
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Favourite colour OHT 8.5
John and Sandip collected some data on favourite
colour from a group of children.
red
blue
yellow
Red is the least popular colour and it is easy to
see from both diagrams.
green
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By the end of the lesson
Pupils should be able to

• extract data from a variety of sources
• interpret data and give a reason for any
  conclusion.

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Thank you for your attention