considering the rents out there it ' s not hard to imagine why <| sep |> 5 nE 3 RImmnegSecond moment about the origin is lambda . Maybe that ' s what the question wantedSecond moment about the mean is lambda 2 lambda . I hope you chose 1 EDIT I might have those definitions switched . I believe the second moment about 0 is the lambda 2 lambda you memorized and the second central moment is lambda which we know from the PMF that it ' s 1 <| sep |> Just because Dez didn ' t put up huge yards , doesn ' t mean Norman did a great job . Dez made 2 big 3 rd down catches on him . That ' s where u make ur money . He also would have had a 60 yard td wide open if Dak saw it . I think Norman ' s knees fell out on that play <| sep |> Where has this been all my life ?