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#Question id: 14730


Mean of 200 observations was found to be 90. However, when the observations were being made, two observations were wrongly taken as 15 and 80 instead of 40 and 87. Then the correct mean is

#Unit 14. Methods in Biology
  1. 90
  2. 91.16
  3. 90.16
  4. 91.6

Answer:- Option(s): 3


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