Question: 2. Consider an independent random sample X = {X1, X2, ..., Xen} from N(1, 1). Based on X, define another two random samples Y =

2. Consider an independent random sample X = {X1, X2, ..., Xen} from N(1, 1). Based on X, define another two random samples Y = {Y1, Y2, ..., Yn} and Z = {Z1, Z2, ..., Zin), where Yi = X2i-1 - X2i and Zi = I(Yi > 0) - I(Yi ?)

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