I am stressed, I need help with assignments, but nobody knows how to do themif you want to try to, go to my recent questions.

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.

Which graph has a rate of change of zero

Which equation represents a direct linear variationa. y=x2b. y=2/5xc. y=1/xd. y=x+3