Question: A researcher measures three variables, X, Y, and Z, for each individual in a sample of n = 25. The Pearson correlations for this sample

A researcher measures three variables, X, Y, and Z, for each individual in a sample of n = 25. The Pearson correlations for this sample are r_XY = 0.8, r_XZ = 0.6, and r_YZ = 0.7.

a. Find the partial correlation between X and Y, holding Z constant.

b. Find the partial correlation between X and Z, holding Y constant.

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