At the Olympic Games, many events have several rounds of competition. One of these is the men's 100-meter backstroke. The upper dot plot shows the times in seconds of the top eight finishers in the semi-final round at the 2012 Olympics. The lower dot plot shows the times of the same eight swimmers, but in the final round. Which pieces of information can be gathered from these dot plots? In the semi-final round, we see that these are the eight times of the eight swimmers. 53 swimmers finished in exactly 53.5 seconds.