Lynn wants to predict how much fuel her car will use based on its speed. She drove her car 100\,\text{km}100km100, start text, k, m, end text at each of the speeds below, and she measured how much fuel was used at each speed. Her data is summarized in the table below. Speed (km/hour) 202020 404040 606060 808080 100100100 120120120
Fuel used (liters) 13.013.013, point, 0 8.08.08, point, 0 5.95.95, point, 9 7.07.07, point, 0 8.38.38, point, 3 9.99.99, point, 9
All of the scatter plots below display the data correctly, but which one of them displays the data best?
By convention, a good scatter plot uses a reasonable scale on both axes and puts the explanatory variable on the xxx-axis.
Choose 1