If Σ fixi = 75 and Σ fi = 15, then find the mean x̅.

v. If Σ fixi = 75 and Σ fi = 15, then find the mean x̅.

Ans.


Mean (x̅)
=
Σ fixi


Σ fi



=
75


15



 x̅ find the mean x\bar sample space S.
=
5

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