Find Standard Deviation if Observation is Multiplied by 2

The standard deviation of a set of 50 observations is 8. If each observation is multiplied by 2, then the value of standard deviation will be

  1. 8
  2. 16
  3. 2
  4. 4
Pushpendra Pal Dean Asked on 14th September 2015 in Maths.
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1 Answer(s)

Answer: (2) 16

Anurag Mishra Professor Answered on 4th October 2015.
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