Question
Number of children in six different classes are given below. Represent the data on a bar graph.
Class
V
VI
VII
VIII
IX
X
Number of children
135
120
95
100
90
80
  1. Which class has the maximum number of children?
  2. Which class has the minimum number of children?
How do you choose the scale?

Answer


Mark the horizontal axis OX as “Class” and the vertical axis OY as “Number of Children”.
Along the horizontal axis OX, choose bars of uniform (equal) width, with a uniform gap between them.
Choose a suitable scale to determine the heights of the bars, according to the space available for the graph. Here, we choose 1 big division to represent 40 children.
  1. We choose 1 big to represent 40 children.
  2. The maximum numbers of students are in class V.
  3. The minimum number of students are in class X.

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