"Let X and Y be two r.v.‟s with non-zero variances σ2X and σ2Y. Then the correlation coefficient which is a measure of linear relationship between X and Y, denoted by ρXY (the Greek letter rho) or Corr(X, Y), If X and Y are independent r.v.‟s, then ρXY will be zero but zero correlation does not necessarily imply independence. Source: http://in.docsity.com/en-docs/T_Distribution-Statistics-Solved_Quizes_"
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