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Example 1 The marks obtained by 30 students of Class X of a certain school in a Mathematics paper consisting of 100 marks are presented in table below. Find the mean of the marks obtained by the students. Mean(๐‘ฅ ฬ…) = (โˆ‘โ–’๐’‡๐’Š๐’™๐’Š)/(โˆ‘โ–’๐’‡๐’Š) ๐‘ฅ ฬ… = 1779/30 ๐‘ฅ ฬ… = 59.3 โˆด Mean marks is 59.3

  1. Chapter 13 Class 10 Statistics
  2. Serial order wise

About the Author

Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science and Computer Science at Teachoo