Two yarn samples have standard deviation of strength Ïƒ1 and Ïƒ2. If Ïƒ1

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Two yarn samples have standard deviation of strength Ïƒ1 and Ïƒ2. If Ïƒ1 < Ïƒ2, the 'F' ratio would be

Options:

A . Ïƒ1 / Ïƒ2

B . Ïƒ2 / Ïƒ1

C . Ïƒ12 / Ïƒ22

D . Ïƒ22 / Ïƒ12

Answer: Option D

-NA-

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