Data Collection
Data
collection means collecting some information on different kinds of activities
that are part of a single event.
Let us
collect data about details of class II in your school.
Name of
School: _____________________________________________________
Number of
sections of class 2: __________________________________________
|
Class 2 |
Section A |
Section B |
Section C |
Section D |
|
Total strength of class |
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Number of girls |
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Number of boys |
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Number of students who participate in sports |
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Number of students who come by school bus |
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Data Representation
Data can be
represented by words, symbols, pictures, or graphs. Data represented by using
pictures is called picture graph or pictograph.
A. The
following pictograph shows the sales of popcorn (from Monday to Friday) of a
shop in a locality. Each popcorn image represents the sale of 20 popcorn packs.
Now, answer
the following questions.
1. How many popcorn packs were sold on Tuesday? __________________
2. How many popcorn packs were sold on Friday? ___________________
3. On which two days were the equal number of popcorn packs sold? ____________
4. On which day were the maximum number of popcorn packs sold? ____________
5. On which day were 140 popcorn packs sold? ________________
B. The
following picture graph shows the favourite sports of class 2 students.
Now, can you
answer the following questions?
1. Which one
is the most popular sport in class 2? ______________________
2. Which one
is the least popular sport in class 2? ______________________
3. How many
students like badminton? _____________________
4. How many
students like running? ________________
5. Which
sport is liked by 5 students? ________________
Drawing Pictograph
A survey was
conducted on class 2 students for their pet animals and the results are as
follows.
|
Pet Animal |
Number of Students |
|
Dog |
15 |
|
Cat |
5 |
|
Rabbit |
5 |
|
Fish |
10 |
Draw a
pictograph to represent the above information.