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Standard deviation of a set of 50 observations is 6.5. If value of each observation is increased by 5, then the standard deviation is


A) 2.5

B) 1.5

C) 6.5

D) 1.0

Correct Answer:
C) 6.5


Part of solved TNPSC Question Paper(2011) questions and answers : Exams >> TNPSC >> TNPSC Question Paper(2011)




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