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Question 90(i)
The table below gives the data of tourists visiting 5 hills stations over two consecutive years. Study the table and answer questions that follow:

Draw a double bar graph to depict the above information using an appropriate scale.


Solution

Steps to construct the bar graph as follows:
Step I   We draw two lines perpendicular to each other on a graph paper and call them horizontal and vertical axes.
Step II     Along the horizontal axis, OX mark the hill stations and along the vertical axis, OY mark the tourist visitors.
Step III     We choose a suitable scale to determine the heights of bars. Here, we choose the scale as 1 small division to represent 400 tourists.
Step IV    First, we draw the bars for the year 2008 and then bars for the year 2009 for different hill stations, 
Bars for years 2008 and 2009 are shaded separately and the shading is shown in the top right corner of the graph paper.


Mathematics
NCERT Exemplar
Standard VII

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