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The mean and standard deviation of a set of values are 5 and 2 respectively. If 5 is added to each value, then what is the coefficient of variation for the new set of values
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The correct answer is:
20
Given, Mean $=5$ Standard deviation $=2$ If 5 is added to each value, mean $=5+5=10$. Standard deviation will not change.
$=\frac{2}{10} \times 100=2 \times 10$
$=20$
$=\frac{2}{10} \times 100=2 \times 10$
$=20$
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