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Collection of data
Representation of data through pictograph
Represent the data graphically as
1.bar graph
2.pie-charts
Draw inferences
Interpret the given pictograph
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Number of students in different classes of a
school is collected.
Class I
Class II
Class III
Class IV
Class V
45
40
35
40
50
Presentation of Data
The above data is represented as a bar graph.
60
50
40
30
20
10
0
Class I
Class II
Class III
Class IV
Class V
The above data is represented as a pie chart
Students
Class V
50 students
Class I 45
students
Class I
Class II
Class III
Class IV
40
students
Class II
40
student
s
Class III 35
Class IV
ClassV
A chart showing number of children participating in different activities in
connection with a class drama is given below.
1
0.8
This shows 3 children
0.6
0.4
0.2
0
Column3
Acting
Collecting Dresses
Column1
Playing Music
Making sets
1.
2.
3.
4.
5.
6.
7.
8.
How many children are action in the drama ?
9
Which are more – children making the sets or those acting ?
Acting
What is being done by most of the children?
Playing music
How many children are collecting dresses?
6
Ask the members in your family to name one programme they like and
one programme they dislike.
Family member
Father
Mother
Brother
Sister
Grandfather
Grand mother
Programme they like
Programme they dislike
Who likes to get wet rain? A child made this “Chapati Chart”(Pie chart)after asking his
friends.
Do not like to get
wet in rain
Like to get wet in
rain
1.
2.
3.
4.
5.
6.
7.
8.
9.
How many children like to wet in the rain ?
a) half
b) one-fourth
c) three- fourth
How many children do not like to get wet in the rain?
a) half
b) one-fourth c ) three- fourth
If the number of children in the class is 36 ,then tell the number of children:
a) who like to get wet in the rain?
27
b)Who do not like to get wet in the rain?
9