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Learning by Doing

Objective: Find the representative values from the collecting data and then make
a double bar graph.
Materials Required: A die, a pen and A-4 sheet paper
Procedure:
• Perform this activity with your classmate.
• Take a die and throw it one by one 20 times.
• Note down the numbers that came on the die on its top face on a paper sheet.
• Now make a table and fill in the data that how many times the number came on the top
face.

Number on a die 1 2 3 4 5 6
Outcomes (You)

Outcomes (Your Friend)
Draw a double bar graph to compare the data between you and your friend.
Find the representative values (mean, mode, and median) for the data collected by you and
your friend.

maths fun
Collect the data from students of your class about their favourite cartoon characters and prepare a
table as shown below:
Cartoon Characters Number of Boys Number of Girls

Jerry Mouse
Scooby Doo
Tom Cat
Goofy
Popeye
Donald Duck

Answer the following questions.
(a) Represent the above information on a double bar graph using appropriate scale.
(b) Which Cartoon Characters is liked by most of the boys?
(c) Name the Cartoon Characters for which the difference between likings of the number of boys and
girls is the maximum.
(d) Calculate the percentage of boys who like Popeye.
(e) Calculate the percentage of girls who like Jerry Mouse.

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