1.

If ∑18i=1(xi−8)=9 and ∑18i=1(xi−8)2=45 then the standard deviation of x1,x2,…..x18 is

Answer»

If 18i=1(xi8)=9 and 18i=1(xi8)2=45 then the standard deviation of x1,x2,..x18 is




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