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Let x_(1), x_(2), x_(3).....x_(n) be n given numbers and a is a varibale Number A^(2)=(x_(1)-a)^(2)+(x_(2)-a)^(2)+(x_(3)-a)^(2) ......+(x_(n)-a)^(2) consider the following statements: Statement -1 A^(2) is minimum when a=(x_(1)+x_(2)+x_(3)+.........+x_(n))/(n) Statement -2 Minimum value of A^(2)= |x_(1)-overset(-)(x)|+|x_(2)-overset(-)(x)|+..........+ |x_(n)-overset(-)(x)|, where overset(-)(x)=(x_(1)+x_(2)+x_(3)+.......+x_(n))/(n) Which of the following is true? |
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Answer» Statement -1 : is true, statement -2, is true, |
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