The data shown to the right for the dependent variable, y, and the
independent variable, x, have been collected using simple random sampling.
X y
11 80
14 50
a. Construct a scatter plot for these data. Based on the scatter plot, how would 12 70
you describe the relationship between the two variables?
b. Compute the correlation coefficient.
FI2229
13 80
15 60
12 an
a. Which graph below shows a scatter plot for these data?
O A.
15-
OB.
15-
10-
120
120
5
OC.
OD.
Ay
120
120
0
10
15
10