On a treasure map, the route is 3 inches north, 2 inches west, 1. 5 inches north, and 0. 25 inches east. The actual distance of the entire route is 135 feet. What does each inch on the map represent? Explain how you found the answer.

17. a researcher measures three variables, x, y, and z for each individual in a sample of n = 20. the pearson correlations for this sample are rxy = 0.6, rxz = 0.4, 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. (hint: simply switch the labels for the variables y and z to correspond with the labels in the equation.) gravetter, frederick j. statistics for the behavioral sciences (p. 526). cengage learning. kindle edition.