A correlation matrix must always be symmetric,so that the correlations above the diagonal are a mirror image of those below it.

Name: A correlation matrix must always be symmetric,so that the correlations above the diagonal are a mirror image of those below it.
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Quizplus · Accepted Answer

A correlation matrix is symmetric because the correlation between variable X and variable Y is the same as the correlation between variable Y and variable X, leading to mirrored values above and below the diagonal.

A Correlation Matrix Must Always Be Symmetric,so That the Correlations