This question was asked in Ex 14.1, 8
The following table gives the litreacy rate of 35 cities. Find the mean literacy rate.  
  • Literacy rate in%  45-55, 55-65, 65-75, 75-85, 85-95
  • Number of cities-  3 ,
  • 10,11,8,3
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Rídér Gèrá
Nov. 7, 2019, 9:50 p.m.