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If sum_(i=1)^(n) x_(i)^(2) =300 and sum_(i=1)^(n) x_(i) =50 thenpossible value of n is : |
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Answer» 4 `=(300)/n -((50)/(n))^(2)=100/(n^2)(3n-25) gt C` `implies n gt 25/3`. |
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