Which scatter plot shows no trend?
A. An unlabeled scatter plot is shown. A cloud of tightly grouped points begins on the left side and moves horizontally to the right.
B. An unlabeled scatter plot is shown. A cloud of loosely grouped points begins in the upper-left corner and gradually moves down and to the right.
C. An unlabeled scatter plot is shown. A cloud of loosely grouped points begins in the lower-left corner and gradually moves up and to the right.
D. An unlabeled scatter plot is shown. A cloud of points exists on the graph that has no discernable start or end.