Two yarn samples have standard deviation of strength σ1 and σ2. If σ1 < σ2, the 'F' ratio would be

Two yarn samples have standard deviation of strength σ1 and σ2. If

1.	Two yarn samples have standard deviation of strength σ1 and σ2. If σ1 < σ2, the 'F' ratio would be
A.	σ1 / σ2
B.	σ2 / σ1
C.	σ12 / σ22
D.	σ22 / σ12
Answer» E.

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Two yarn samples have standard deviation of strength σ1 and σ2. If σ1 < σ2, the 'F' ratio would be

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