A track coach is trying to improve the 50 50 -meter-dash times of the track team. He times each student and then implements a month-long training program. At the end of the program, he timed each of the students again. The box plots show the number of seconds it took the students to run the 50 50 -meter-dash before and after the program. Using the plots, how much did the median change? Clear Check 0 0 2 2 3 3 5