The area of the state of Nevada can be estimated using a trapezoid. Estimate the area of the state of Nevada. A. 31,672 mi2
B. 78,980 mi2
C. 110,622 mi2
D. 131,327 mi2

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.