If ∑fixi=75 and ∑fi=15 , then find the mean x . - Algebra

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If `sumf_ix_i=75 and sumfi=15` , then find the mean x .

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Solution

Mean = `barx=(sumf_ix_i)/(sumf_i)`

`barx=(sumf_ix_i)/(sumf_i)=75/15=5`

Mean= `bar x=5`

 

 

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2013-2014 (March)

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