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If 10∑i=1(xi−5)=20 and 10∑i=1(xi−5)2=660 y=S.D. of 10 items x1,x2,x3.....,x10, then [y] is equal to (where [.] represents the greatest integer function) |
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Answer» If 10∑i=1(xi−5)=20 and 10∑i=1(xi−5)2=660 y=S.D. of 10 items x1,x2,x3.....,x10, then [y] is equal to (where [.] represents the greatest integer function) |
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