Social & Preventive Medicine General 93aadb0d if each value of a given group of observation is multiplied by 10, the standard detion of the resulting observation is - A Original std. Detion x 10 B Original std. Detion/10 C Original std. Detion -10 D Original std. Detion itself High-Yield Explanation Ans. is 'a' i.e., Original standard detion X 10