In: Math
What information is provided by the numerical value of the Pearson correlation? Also in your own words, explain in detail and include a discussion of X, Y, co-variability and separate variability in your answer.
Therefore, the numerical value of the Pearson correlation provides the linear relationship between the two variables. The sample correlation value is denoted by r. If r changes to zero, there is no relationship. If r changes to +1 and -1, the relationship is negative and positive respectively.