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Question
The birth rate per thousand in five countries over a period of time is shown below. Represent the data by a bar graph.
Country
China
India
Germany
UK
Sweden
Birth rate per thousand
$$42$$
$$35$$
$$14$$
$$28$$
$$21$$
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Solution
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We can draw the bar graph by following these steps: Step 1. On a graph paper, draw a horizontal line OX and a vertical line OY. These two lines represents the x-axis and the y-axis respectively. Step 2. Along OX, write the names of the sports at points taken at uniform gaps. Step 3. Choose the scale: 1 small division = 1 student 1 big division = 10 students Step 4. Then, the heights of the various bars are: Cricket = 7 big divisions and then 5 small divisions = 75 small divisions Football = 3 big divisions and then 5 small divisions = 35 small divisions Tennis = 5 big divisions = 50 small divisions Badminton = 2 big divisions and then 5 small divisions = 25 small divisions Swimming = 6 big divisions and then 5 small divisions = 65 small divisions Step 5. On the x-axis, draw bars of equal width and heights obtained in step 4 at the points marked in Step 2. The completed bar graph is shown below.
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The birth rate per thousand in five countries over a period of time is shown below: