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  1. Chapter 3 Class 7 Data Handling
  2. Serial order wise
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Transcript

Ex 3.1, 2 Organise the following marks in a class assessment, in a tabular form. 4, 6, 7, 5, 3, 5, 4, 5, 2, 6, 2, 5, 1, 9, 6, 5, 8, 4, 6, 7Here, we write numbers in tabular form (i) Which number is the highest? Height number = 9 (ii) Which number is the lowest? Lowest number = 1 (iii) What is the range of the data? Range = Highest number − Lowest number = 9 − 1 = 8

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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.