If r = 0.28, Cov (x,y) = 7.6, V (x) = 9 then σ y – McqOptions

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1.	If r = 0.28, Cov (x,y) = 7.6, V (x) = 9 then σ y
A.	8.75
B.	9.04
C.	6.25
D.	None
Answer» C. 6.25

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