Consider a finite sequence of random values X x1 x2 xn gate cse 2011

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Consider a finite sequence of random values X = { x1, x2,..., xn}. -gate-cse-2011

 Let μx be the mean and σx be the standard deviation of X. Let another finite sequence Y of equal length be derived from this as yi = a*xi + b, where a and b are positive constants. Let μy be the mean and σy be the standard deviation of this sequence. Which one of the following statements is INCORRECT?
A.Index position of mode of X in X is the same as the index position of mode of Y in Y.
B.Index position of median of X in X is the same as the index position of median of Y in Y.
C.μy = aμx+b
D.σy = aσx+b


By:prajwalamv

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Answers

D.σy = aσx+b

Amogh

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