In Exercise 7.19 we saw pairs of observations on sexual satisfaction for husbands and wives. Suppose that those data had actually come from unrelated males and females, such that the data are no...

In Exercise 7.19 we saw pairs of observations on sexual satisfaction for husbands and wives. Suppose that those data had actually come from unrelated males and females, such that the data are no longer paired. What effect do you expect this to have on the analysis?