Oni was timing her 100 meter sprints. Her first five sprints were 12 point 5 6 8 seconds, 11 point 4 2 6 seconds, 12 point 3 2 4 seconds, 11 point 9 8 1 seconds, and 12 point 6 0 1 seconds. Which two estimation techniques will give the same result for the total number of seconds for all five sprints?