Question: Using (2.6) and (2.7), express i,jkl = cov(X i ,XjX kX l) in terms of ordinary moments and hence, in terms of ordinary cumulants.
Using (2.6) and (2.7), express κ
i,jkl = cov(X i
,XjX kX l) in terms of ordinary moments and hence, in terms of ordinary cumulants.
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