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Ex 14.3, 9 - 100 surnames were randomly picked up from - Ex 14.3

  1. Chapter 14 Class 9 Statistics
  2. Serial order wise
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Ex 14.3, 9 100 surnames were randomly picked up from a local telephone directory and a frequency distribution of the number of letters in the English alphabet in the surnames was found as follows: (i) Draw a histogram to depict the given information. The data has class intervals of varying width. So, we calculate adjusted frequency Ex 14.3, 9 (ii) Write the class interval in which the maximum number of surname lie. Maximum number of surnames lies is 6 − 8 as it has 44 surnames in it 

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