PLEASE HELP ME WITH THIS I REALLY NEED HELP QUESTION IS IN PICTURE

ANSWER CHOICES
A.
Graphs 2 and 3
B.
Graphs 1 and 3
C.
Graphs 1, 2, and 3
D.
Graphs 1 and 2

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.

Paul can type 60 words per minute and jennifer can type 80 words per minutes. how does paul's typing speed compare to jennifer's

Which of the following is not a correct form of the quadratic function?