Mathematics
Students of a small school use different modes of travel to school as shown below :
| Modes | Bus | Car | Bicycle | Auto | On foot |
|---|---|---|---|---|---|
| No. of students | 142 | 98 | 50 | 34 | 16 |
Draw a suitable bar graph.
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Answer
Steps:
On a graph paper, draw two mutually perpendicular lines OX and OY which intersect each other at point O.
The line OX is taken horizontal and is called the x-axis, whereas the line OY is taken vertical and is called the y-axis.
On the x-axis, starting from O, mark points at equal distances. At these points write the names of the different modes of travel given. In this question, the names are Bus, Car, Bicycle, Auto and On foot.
Along y-axis, mark the heights of the bars (rectangles) in proportion to the given data (Number of students).
Remember:
(i) The heights of different bars (rectangles) are parallel to y-axis and the mid-points of their bases are on the points marked on the x-axis (step 2).
(ii) The bars may be taken of any suitable width, but widths of all the bars must be the same.
(iii) The space (distance) between consecutive bars may be of any suitable value, but the spaces between all the consecutive bars must be the same.
The required bar graph is as given below:
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