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Data Handling

Question 4:

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

Age group

1 − 14

15 − 29

30 − 44

45 − 59

60 −74

75 and above

Number of persons

2 lakhs

1 lakhs

60 thousands

1 lakh

20 thousands

1 lakh

20 thousands

80

40

Thousands

Draw a bar graph to represent the above information and answer the following questions. (take 1 unit length = 20 thousands)

(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?

Answer:

By taking a scale of 1 unit length = 20 thousands, a bar graph of the above given data can be drawn as follows.

(a) 30…

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