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Statistic Graphs What is a Survey Organising Data Reading Pictographs Reading Bar Graphs Constructing Line Graphs www.mathsrevision.com Constructing Bar Graphs Constructing Histogram Constructing Harder Pie Charts Constructing Polygon Graph Reading Pie Charts Resource Surveys

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Presentation Transcript
statistic graphs

Statistic Graphs

What is a Survey

Organising Data

Reading Pictographs

Reading Bar Graphs

Constructing

Line Graphs

www.mathsrevision.com

Constructing Bar Graphs

Constructing Histogram

Constructing

Harder Pie Charts

Constructing Polygon Graph

Reading Pie Charts

Resource Surveys

Created by Mr.Lafferty Maths Dept

Constructing Pie Charts

Pie Chart templates

slide2

Aims of the Lesson

  • Understand the key points of a survey.
  • 2. Construct a survey.

www.mathsrevision.com

Created by Mr. Lafferty

slide3

Think of a survey that you have seen on TV, online or in the street and explain what it was about.

Survey’s

  • What is a survey ?
  • Why do we use survey’s ?
  • What kind of data does a survey have?
  • What makes good question ?

Measurements Categories Counts

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Created by Mr. Lafferty

slide4

Good or Bad survey

question

Survey’s

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Created by Mr. Lafferty

slide5

Good or Bad survey

question

Survey’s

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Created by Mr. Lafferty

slide6

Good or Bad survey

question

Survey’s

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Created by Mr. Lafferty

slide7

Good or Bad survey

question

Survey’s

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Created by Mr. Lafferty

slide8

Easy Survey’s

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Created by Mr. Lafferty

slide9

Harder Survey’s

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Created by Mr. Lafferty

slide10

Survey

Complete the survey you have been given.

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Created by Mr.Lafferty Maths Dept

starter questions

Starter Questions

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Created by Mr.Lafferty Maths Dept

slide12

Aims of the Lesson

1. Understand the term Frequency Table.

2. Construct a Frequency Table.

3. Interpret information from Frequency Tables.

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Created by Mr. Lafferty

slide13

Easy Survey’s

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Created by Mr. Lafferty

slide14

We will look at favourite food survey

represents a tally of 5

llll

Frequency tables

Raw data from a survey can often appear untidy and difficult to understand. Organizing such data into frequency tablescan make it much easier to make sense of (interpret) the data.

Sum of Tally is the Frequency

slide15

We will look at the height survey

represents a tally of 5

llll

Frequency tables

Raw data from a survey can often appear untidy and difficult to understand. Organizing such data into frequency tablescan make it much easier to make sense of (interpret) the data.

Sum of Tally is the Frequency

slide16

Frequency Table

Pick suitable question from your survey and construct a frequency table.

www.mathsrevision.com

Created by Mr.Lafferty Maths Dept

starter questions17

Starter Questions

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Created by Mr.Lafferty Maths Dept

slide18

Aims of the Lesson

Interpret pictographs.

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Created by Mr. Lafferty

slide19

What does

1 computer represent

You have 1 minute to come up with a question

Pictographs

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slide20

What does

1 snowflake represent

You have 1 minute to come up with a question

Pictographs

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slide21

Pictograph

Your turn

Do exercise

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Created by Mr.Lafferty Maths Dept

starter questions22

Starter Questions

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Created by Mr.Lafferty Maths Dept

bar graphs

Bar Graphs

Learning Intention

Success Criteria

  • To explain the main points of a Bar Graph and how to construct them.
  • 1. Be able to read information from a Bar Graph.

2. Be able to construct a Bar Graph.

www.mathsrevision.com

Created by Mr.Lafferty Maths Dept

slide24

Bar Graphs

www.mathsrevision.com

Created by Mr.Lafferty Maths Dept

slide25

Bar Graphs

www.mathsrevision.com

Created by Mr.Lafferty Maths Dept

slide26

Bar Graphs

www.mathsrevision.com

Created by Mr.Lafferty Maths Dept

slide27

Bar Graphs

A survey of S1 pupils asked

what their favourite pet was.

The results are shown below

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Lets construct a Bar graph for the following table

Remember graph has to be labelled and neat !

Created by Mr.Lafferty Maths Dept

slide28

What labels should we use for the Bar Chart

Title, Scale, Labels and Units where appropriate

Favourite Pets

12

10

8

Number of Pupils

6

4

2

0

Cat

Dog

Rabbit

Hamster

Snake

Pets

slide29

Bar Graphs

Pick a suitable question from your survey and draw a Bar Graph.

www.mathsrevision.com

Created by Mr.Lafferty Maths Dept

slide30

Histograph

The heights in (cm) of 20 S1 pupils are recorded below.

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Lets construct a Histogram graph for the following table

Remember graph has to be labelled and neat !

Created by Mr.Lafferty Maths Dept

slide31

Histograph

First use a table to organise the data.

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Now we can create a Histogram graph

Created by Mr.Lafferty Maths Dept

slide32

Pupils’ Height

What key features should we use for the Histogram

Title, Scale, Labels and Units where appropriate

12

10

8

Number of Pupils

6

4

2

0

Height

140-144.9

145-149.9

150-154.9

155-159.9

slide33

Making a

Polygon Graph

Out of a Histograph

Pupils’ Height

12

10

8

Number of Pupils

6

4

2

0

Height

135-139.9

140-144.9

145-149.9

150-154.9

155-159.9

160-165.9

slide34

Histograph Graph

and

Polygraph

Pick a suitable question from your survey and draw a Histograph and Polygraph.

www.mathsrevision.com

Created by Mr.Lafferty Maths Dept

slide35

Lesson Starter

Q1.

Q2. How long between 8:12am to 2.09pm

Q3. 75.9 x 7

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Find arrow value

Q4.

1300

1200

Q5. The answer to a question is 81. Write

down the question.

Created by Mr. Lafferty

slide36

Aims of the Lesson

  • Interpret information from Line Graphs.
  • 2. Construct a Line Graph.

www.mathsrevision.com

Created by Mr. Lafferty

starter questions37

Starter Questions

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Created by Mr.Lafferty Maths Dept

slide38

Line graphs

What does trend mean

Line graphs are most often used to show trends over time.

If the temperature in Aberdeen, in ºC, over a 12-hour period is plotted, the line graph shows the temperature trend.

Created by Mr. Lafferty

slide39

103

102

101

100

99

98

97

6:00 am

7:00 am

8:00 am

9:00 am

10:00 am

11:00 am

101

102

102

101

100.5

101

Temp C

Constructing a Line Graph

A hospital nurse recorded a patient’s temperature every hour

Temperature versus Time

TemperatureC

Time Hours

slide40

Line Graphs

Pick a suitable question from your survey and draw a Line Graph.

www.mathsrevision.com

Created by Mr. Lafferty

pie charts

Pie Charts

Learning Intention

Success Criteria

  • To explain the main points of a Pie Chart and how to construct them.
  • 1. Be able to read information from a Pie Chart.

2. Be able to construct a Pie Chart.

www.mathsrevision.com

Created by Mr.Lafferty Maths Dept

pie charts42

Pie Charts

Come up with a question that we can answer using this Pie Chart.

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Created by Mr.Lafferty Maths Dept

pie charts43

Pie Charts

Come up with a question that we can answer using this Pie Chart.

www.mathsrevision.com

Created by Mr.Lafferty Maths Dept

slide44

Pie Charts

Pie charts can be thought of as circle graphs.

360o

How many degree in a circle

90

How many degrees in one slice

90o

What fraction is each slice of the circle

Created by Mr. Lafferty

slide45

Pie Charts

Pie charts can be thought of as circle graphs.

360o

How many degree in a circle

120

How many degrees in one slice

120o

What fraction is each slice of the circle

Created by Mr. Lafferty

slide46

Pie Charts

Work out the fraction and degrees

for each slice of the circles.

pie charts47

Pie Charts

Let’s make up our own question

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Created by Mr.Lafferty Maths Dept

slide48

Chinese

Indian

Italian

French

Pie Charts

The pie chart shows the results of a class survey into favourite restaurant food.

Write down the fraction of the class that choose

Indian

Chinese

Italian

French

Created by Mr. Lafferty

pie charts49

Pie Charts

50 people were asked

what was there

favourite holiday

Spain

How many chose

America

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Created by Mr.Lafferty Maths Dept

slide50

Pie Charts

Count the number of parts the circle is divided into.

Whole circle is divide into 20 equal pieces

1 piece is equal to

The whole circle represents 100 bottles.

How many bottles does 1 piece represent.

5

Created by Mr. Lafferty

pie charts51

Pie Charts

What does each part stand for ?

What fraction represents each mealtime ?

There is 100 pupils in the survey?

What is

1/20 of 100.

How many people chose each mealtime?

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Created by Mr.Lafferty Maths Dept

slide52

Easy Pie Charts

10

30

20

10

20

10

www.mathsrevision.com

15

15

30

5

15

5

15

Created by Mr. Lafferty

slide53

Pie Chart

For this question construct a Pie Chart using the Pie Chart worksheet.

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Created by Mr. Lafferty

pie charts54

Pie Charts

Learning Intention

Success Criteria

  • To explain the main points of a Pie Chart and how to construct them.
  • 1. Be able to read information from a Pie Chart.

2. Be able to construct a Pie Chart.

www.mathsrevision.com

Created by Mr.Lafferty Maths Dept

slide55

Drawing Pie Charts

Favourite Sport

In a survey, people were asked to indicate which one of five sports they liked best. The information is given in the table. Display the information in a pie chart.

Rugby

75

Football

90

Cricket

45

Ice Hockey

60

Squash

30

Total

300

Created by Mr. Lafferty Maths Dept.

slide56

Drawing Pie Charts

Favourite Sport

In a survey, people were asked to indicate which one of five sports they liked best. The information is given in the table. Display the information in a pie chart.

Rugby

75

Football

90

Cricket

45

Ice Hockey

60

Squash

30

Total

300

Rugby

Created by Mr. Lafferty Maths Dept.

slide57

Drawing Pie Charts

Favourite Sport

In a survey, people were asked to indicate which one of five sports they liked best. The information is given in the table. Display the information in a pie chart.

Rugby

75

Football

90

Cricket

45

Ice Hockey

60

Squash

30

Rugby

Total

300

Created by Mr. Lafferty Maths Dept.

slide58

Drawing Pie Charts

Favourite Sport

In a survey, people were asked to indicate which one of five sports they liked best. The information is given in the table. Display the information in a pie chart.

Rugby

75

Football

90

Cricket

45

Ice Hockey

60

Squash

30

Rugby

Total

300

Football

Created by Mr. Lafferty Maths Dept.

slide59

Drawing Pie Charts

Favourite Sport

In a survey, people were asked to indicate which one of five sports they liked best. The information is given in the table. Display the information in a pie chart.

Rugby

75

Football

90

Cricket

45

Ice Hockey

60

Squash

30

Rugby

Football

Total

300

Created by Mr. Lafferty Maths Dept.

slide60

Drawing Pie Charts

Favourite Sport

In a survey, people were asked to indicate which one of five sports they liked best. The information is given in the table. Display the information in a pie chart.

Rugby

75

Football

90

Cricket

45

Ice Hockey

60

Squash

30

Rugby

Football

Total

300

Cricket

Created by Mr. Lafferty Maths Dept.

slide61

Drawing Pie Charts

Favourite Sport

In a survey, people were asked to indicate which one of five sports they liked best. The information is given in the table. Display the information in a pie chart.

Rugby

75

Football

90

Cricket

45

Ice Hockey

60

Squash

30

Rugby

Football

Total

300

Cricket

Created by Mr. Lafferty Maths Dept.

slide62

Drawing Pie Charts

Favourite Sport

In a survey, people were asked to indicate which one of five sports they liked best. The information is given in the table. Display the information in a pie chart.

Rugby

75

Football

90

Cricket

45

Ice Hockey

60

Squash

30

Rugby

Football

Total

300

Cricket

Squash

Ice Hockey

Created by Mr. Lafferty Maths Dept.

slide63

Drawing Pie Charts

Favourite Sport

In a survey, people were asked to indicate which one of five sports they liked best. The information is given in the table. Display the information in a pie chart.

Rugby

75

Football

90

Cricket

45

Ice Hockey

60

Squash

30

Football

Rugby

Total

300

90o

108o

36o

54o

72o

Squash

Cricket

Ice Hockey

Created by Mr. Lafferty Maths Dept.

slide64

Worksheet Constructing a Pie Chart

Drawing Pie Charts

FavouriteSport

In a survey, people were asked to indicate which one of five sports they liked best. The information is given in the table. Display the information in a pie chart.

Rugby

75

Football

90

Cricket

45

Ice Hockey

60

Squash

30

Total

Created by Mr. Lafferty Maths Dept.

slide65

Drawing Pie Charts

Musical Instrument

In a survey, people were asked to indicate which one of five musical instruments they played. The information is given in the table. Display the information in a pie chart.

Guitar

35

Violin

10

Recorder

15

Drum

5

Keyboard

25

Total

90

slide66

Drawing Pie Charts

Musical Instrument

In a survey, people were asked to indicate which one of five musical instruments they played. The information is given in the table. Display the information in a pie chart.

Guitar

35

Violin

10

Recorder

15

Drum

5

Keyboard

25

Total

90

Guitar

slide67

Drawing Pie Charts

Musical Instrument

In a survey, people were asked to indicate which one of five musical instruments they played. The information is given in the table. Display the information in a pie chart.

Guitar

35

Violin

10

Recorder

15

Drum

5

Keyboard

25

Guitar

Total

90

slide68

Drawing Pie Charts

Musical Instrument

In a survey, people were asked to indicate which one of five musical instruments they played. The information is given in the table. Display the information in a pie chart.

Guitar

35

Violin

10

Recorder

15

Drum

5

Keyboard

25

Guitar

Total

90

Violin

slide69

Drawing Pie Charts

Musical Instrument

In a survey, people were asked to indicate which one of five musical instruments they played. The information is given in the table. Display the information in a pie chart.

Guitar

35

Violin

10

Recorder

15

Drum

5

Keyboard

25

Total

90

Violin

Guitar

slide70

Drawing Pie Charts

Musical Instrument

In a survey, people were asked to indicate which one of five musical instruments they played. The information is given in the table. Display the information in a pie chart.

Guitar

35

Violin

10

Recorder

15

Drum

5

Keyboard

25

Total

90

Recorder

Violin

Guitar

slide71

Drawing Pie Charts

Musical Instrument

In a survey, people were asked to indicate which one of five musical instruments they played. The information is given in the table. Display the information in a pie chart.

Guitar

35

Violin

10

Recorder

15

Drum

5

Keyboard

25

Recorder

Violin

Guitar

Total

90

slide72

Drawing Pie Charts

Musical Instrument

In a survey, people were asked to indicate which one of five musical instruments they played. The information is given in the table. Display the information in a pie chart.

Guitar

35

Violin

10

Recorder

15

Drum

5

Keyboard

25

Recorder

Violin

Guitar

Total

90

Keyboard

Drum

slide73

Drawing Pie Charts

Musical Instrument

In a survey, people were asked to indicate which one of five musical instruments they played. The information is given in the table. Display the information in a pie chart.

Guitar

35

Violin

10

Recorder

15

Drum

5

Keyboard

25

140o

40o

60o

100o

20o

Total

90

Guitar

Violin

Recorder

Keyboard

Drum

slide74

Pie Charts

Using your survey

create a Pie Chart for a suitable question

www.mathsrevision.com

Created by Mr. Lafferty

slide75

Resources

Download Survey Level D

Download Survey Level E

www.mathsrevision.com

Created by Mr. Lafferty

slide76

Worksheet Constructing a Pie Chart

Drawing Pie Charts

FavouriteSport

In a survey, people were asked to indicate which one of five sports they liked best. The information is given in the table. Display the information in a pie chart.

Rugby

75

Football

90

Cricket

45

Ice Hockey

60

Squash

30

Total

slide77

Worksheet 1

Drawing Pie Charts

Musical Instrument

In a survey, people were asked to indicate which one of five musical instruments they played. The information is given in the table. Display the information in a pie chart.

Guitar

35

Violin

10

Recorder

15

Drum

5

Keyboard

25

Total

slide78

Pie Charts 10 Sector Worksheet

www.mathsrevision.com

Created by Mr. Lafferty

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