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

researcher measures three variables, X, Y, and Z, for each individual in a sample of n = 25. The
Pearson correlations for this sample are rXY = 0.8, rXZ = 0.6, and rYZ = 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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