A graph has outside Temperature (degrees Fahrenheit) on the x-axis, and sales of iced tea (dollars) on the y-axis. Points are at (30, 69), (71, 78), (37, 30), (48, 103), (40, 60), (80, 120), (92, 145).
Which two points should the trend line go through to best represent the data given in this scatterplot?
(30, 69) and (71, 78)
(37, 30) and (48, 103)
(40, 60) and (71, 78)
(40, 60) and (80,120)