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[" 7.8.The S.D.of a variate "x" is o.The...

[" 7.8.The S.D.of a variate "x" is o.The S.D.of the variate "(ax+b)/(c)" where a "b" ,c are constants,is "],[[" (1) "((a)/(c))sigma," (2) "|(a)/(c)|_(sigma)," (3) "((a^(2))/(c^(2)))," (4) None of these "]]

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