You conducted a study to assess the effect of smoking on systolic blood pressure. The results showed that there was a significant association between the two variables, with an odds ratio of 1.5. Explain this finding to someone who has no background in epidemiologic research.

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A: Solution:   x y (x-x) (x-x)2 (y-y) (y-y)2 (x-x)(y-y)   21.5 -5.9 -40.3 1624.09 -47.2 2227.84 1...

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Q: 7. (a) Let x1, X2, , Xn be a random sample from the uniform distribution -0, dsewhere .... with p.d....

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A: Farmula used  E(X)=∑xP(X=x) 

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Q: E(x) = r %3D dt LA-it d? b. E(x²)=dt L^-it Е (x) dt? C. Var(x) = E(x²) - Ex?

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