Question

if sigma fi is the sum of frequency of first 10 natural numbers and sigma fi xi=120 then find mean​

Answer 1

Given : sigma fi is the sum of frequency of first 10 natural numbers and sigma fi xi=120  

To find  : mean​

Solution:

Mean = ∑ fixi / ∑fi

∑ fixi  = 120

Mean = 120/  ∑fi

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Answer 2

Step-by-step explanation:

plz upvote!! ans is 24/11 and forst 10 natural no. are 1,2,3,4,5,6,7,8,9,10 AND ZERO IS NOT NATURAL NO.