Question: =+5.9. Let D1; D2; ... ; DN be a random sample of N nonzero observations from some continuous population which is symmetric with median zero.

=+5.9. Let D1; D2; ... ; DN be a random sample of N nonzero observations from some continuous population which is symmetric with median zero. Define jDij ¼ Xi if Di > 0 Yi if Di < 0

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