The Question Below Is Based on the Following Four Sets

Multiple Choice

The question below is based on the following four sets of data-pairs: (1) A and B, (2) C and D, (3) E and F, and (4) G and H. In each set, the independent variable is in the left column and the dependent variable is in the right column. The slope of the linear graph that pictures data set 2 above is

A) .10.
B) 20.
C) 5.
D) 10.