問題詳情

291. Let X and Y be discrete random variables with joint probability function


  Calculate Corr (X, Y), the correlation coefficient of X and Y.
(A) 0.06
(B) 0.23
(C) 0.26
(D) 0.38
(E) 0.63

參考答案

答案:C

統計:A:0,B:0,C:1,D:0,E:0

難度:計算中