Given below is a table which shows the year wise strength of a sc… - Vidyadip

Question

Given below is a table which shows the year wise strength of a school. Represent this data by a bar graph.

Year	$2011-12$	$2012-13$	$2013-14$	$2014-15$	$2015-16$
No. of students	$800$	$975$	$1100$	$1400$	$1625$

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Answer

We can draw the bar graph by following the given steps:
Step I: On a graph paper, draw a horizontal line $OX$ as $X-$axis and vertical line $OY$ as $Y-$axis.
Step II: Along $OX,$ write the years at the points that are taken at a uniform gap.
Step III: Choose the scale: $1$ big division $= 100$ students $1$ small division $= 10$ student
Step IV: Heights of the various bars: $2011-2012 = 80$ small divisions $= 8$ big divisions. $2012-2013 = 97.5$ small divisions $= 9$ big divisions and $7.5$ small divisions. $2013-2014 = 110$ small divisions $= 11$ big divisions. $2014-2015 = 140$ small divisions = $14$ big divisions. $2015-2016 = 162.5$ small divisions $= 16$ big divisions and $2.5$ small divisions.
Step V: Draw bars of equal width on the $X-$axis. The difference between the two bars should also be the same. We get the following bar graph:

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