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A Correlation Coefficient is a statistical concept expressed as the letter “r” that measures the strength and type of the relationship between two factors (‘X’ and ‘Y’).

A Correlation Coefficient is a number between -1 and +1. An ‘r’ of +1 means that there is a perfect, positive correlation between X and Y and the changes in Y can be attributable to X. Conversely, an ‘r’ of -1 means that there is a perfect negative correlation between X and Y and the changes in Y can be attributable to X.

For a better understanding of Correlation Coefficient (aka Pearson Correlation) and an overview of Lean Six Sigma, check out our Free Lean Six Sigma Yellow Belt Training, Green Belt Training or Lean Training.

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