If the mean of the following data is 20.6, find the value of p.

x 10 15 p 25 35
f
3 10 25 7 5

Asked by Topperlearning User | 7th Nov, 2017, 12:15: PM

Expert Answer:

   xi
      fi
         fi xi
  10
      3
          30
  15
    10
        150
   p
    25
        25p
  25
     7
       175
  35
     5
       175
 

 

Answered by  | 7th Nov, 2017, 02:15: PM

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