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Q.

Is it possible to draw the bar graph of the following data?


The population of India in successive census years:


Year

1941

1951

1961

1971

1981

1991

2001

Population(in millions)

320

360

440

550

680

850

1000


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a

True

b

False 

answer is A.

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Detailed Solution

Let us assume that the years on X-axis and the population on Y-axis.
Now, let us create a table extending the given data to one column of having the coordinates of points to be represented on the graph as follows

Year

Population (in millions)

Co-ordinates

1941

320

(1941, 320)

1951

360

(1951, 360)

1961

440

(1961, 440)

1971

550

(1971, 550)

1981

680

(1981, 680)

1991

850

(1991, 850)

2001

1000

(2001, 1000)

Now, let us take the scale
On X-axis 1 unit is equal to 10 years
On Y-axis 1 unit is equal to 100 million
By using this scale let us plot the bar graph of the given data.
 Question ImageTherefore the bar graph of the given data is drawn.
So, the given statement is true.
 
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Is it possible to draw the bar graph of the following data?The population of India in successive census years:Year1941195119611971198119912001Population(in millions)3203604405506808501000