A line graph between 'Trial Number' on x-axis and 'Seconds' on y-axis. X-axis ranges from 1 to 10 with an increment of 1. Y-axis ranges from 0 to 70 with an increment of 10. The line graphs are shown as: - Series 1 line passes through coordinates (1 comma 60), (3 comma 40), (5 comma 30), (8 comma 10) and (9 comma 10). - Series 2 line passes through coordinates (1 comma 35), (3 comma 20), (6 comma 15), (8 comma 10) and (10 comma 10).