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  1. Chapter 3 Class 7 Data Handling
  2. Serial order wise
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Example 9 Following data gives total marks (out of 600) obtained by six children of a particular class. Represent the data on a bar graph. Since marks are from 300 to 540 We draw a bar graph from 0 to 600 Taking a gap of 100 So, Scale is 1 unit length = 100 students Drawing bar graph

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Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 8 years. He provides courses for Maths and Science at Teachoo. You can check his NCERT Solutions from Class 6 to 12.