Chapter 9 : Data Handling

Q. Count the shapes in the above pictures.

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Q. Number of persons in various age groups in a town is given in the following table.

Age group (in years)	$1 - 14$	$15 - 29$	$30 - 44$	$45 - 59$	$60 - 74$	$75$ and above
Number of persons	$2$ lakhs	$1 l a k h 60 t h o u s a n d s$	$1\ lakh\ 20\ thousands	$1\ lakh\ 20\ thousands	$80 t h o u s a n d s$	$40 t h o u s a n d s$

Draw a bar graph to represent the above information and answer the following question. (take

1

unit length

= 20 t h o u s a n d s)

(a) Which two age groups have same population?
(b) All persons in the age group of

60

and above are called senior citizens. How many senior citizens are there in the town

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Q. How many names have four letters

□

How many names have five letters

□

How many names have six letters

□

How many times

S

comes in all the names taken together

□

How many times

A

comes in all the names taken together

□

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Q. Catherine threw a dice

40

times and noted the number appearing each time as shown below:

$1$	$3$	$5$	$6$	$6$	$3$	$5$	$4$	$1$	$6$
$2$	$5$	$3$	$4$	$6$	$1$	$5$	$5$	$6$	$1$
$1$	$2$	$2$	$3$	$5$	$2$	$4$	$5$	$5$	$6$
$5$	$1$	$6$	$2$	$3$	$5$	$2$	$4$	$1$	$5$

Marks a table and enter the data using tally marks. Find the number that appeared.
(a) The minimum number of times
(b) The maximum number of times
(c) Find those numbers that appear an equal number of times.

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Q. The number of girl students in each class of co-educational middle school is depicted by the pictograph.
Observe this pictograph and answer the following questions:
(a) which class has the minimum number of girl students?
(b) Is the number Of girls in Class VI less than the number Of girls in Class V?
(c) How many girls are there in Class VII?

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Q. The sale of electric bulbs on different days of a week is shown below:
What can we conclude from the said pictograph?

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Q. In a village, six fruit merchants sold the following number of fruit baskets in a particular season:
Observe this pictograph and answer the following question :
(a) Which merchant sold the maximum number of baskets?
(b) How many fruit baskets were sold by Anwar?
(c) The merchants who have sold

600

or more number of baskets are planning to buy a godown for the next season. Can you name them?

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$1$	$3$	$5$	$6$	$6$	$3$	$5$	$4$	$1$	$6$
$2$	$5$	$3$	$4$	$6$	$1$	$5$	$5$	$6$	$1$
$1$	$2$	$2$	$3$	$5$	$2$	$4$	$5$	$5$	$6$
$5$	$1$	$6$	$2$	$3$	$5$	$2$	$4$	$1$	$5$

$1$	$3$	$5$	$6$	$6$	$3$	$5$	$4$	$1$	$6$
$2$	$5$	$3$	$4$	$6$	$1$	$5$	$5$	$6$	$1$
$1$	$2$	$2$	$3$	$5$	$2$	$4$	$5$	$5$	$6$
$5$	$1$	$6$	$2$	$3$	$5$	$2$	$4$	$1$	$5$

$1$	$3$	$5$	$6$	$6$	$3$	$5$	$4$	$1$	$6$
$2$	$5$	$3$	$4$	$6$	$1$	$5$	$5$	$6$	$1$
$1$	$2$	$2$	$3$	$5$	$2$	$4$	$5$	$5$	$6$
$5$	$1$	$6$	$2$	$3$	$5$	$2$	$4$	$1$	$5$