the standard deviation of a set of 50 observation is 8 .if each observation is multiplied by 2 , then the new value of standard deviation will be : (a) 4 (b) 16 (c) 8 (d) none of the above {explain in detail}
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Answer:
B)16
Explanation:
standard deviations is the square root of airtmatic mean square of the deviation measured from the airthmatic mean of data . If each value of the series is multiple by 2 then the overall standard deviations will also double as stsndard deviations is affected by the multiplication and division of the values.
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