Mathematics, 23.04.2020 16:54 sevaramirabell
At the Olympic games, many events have several rounds of competition. One of these events is the men's 100100100-meter backstroke.
The upper dot plot shows the times (in seconds) of the top 888 finishers in the semifinal round at the 201220122012 Olympics. The lower dot plot shows the times of the same 888 swimmers in the final round.
Which pieces of information can be gathered from these dot plots? (Remember that lower swim times are faster.)
Choose all answers that apply:
Choose all answers that apply:
(Choice A)
A
The times in the semifinals were faster on average than the times in the finals.
(Choice B)
B
The times in the finals vary noticeably less than the times in the semifinals.
(Choice C)
C
None of the above
A dot plot is divided into 2 parts labeled, Semifinal Round and Final Round. The horizontal axis is labeled, Time, in seconds, from 52 to 54, in increments of 0.10 second. The portion of the dot plot dedicated to Final Round has dots above the following points; 52.2, 52.3, 52.8, 53.1, 53.2, 53.3, 53.5, and 53.8. The portion of the dot plot dedicated to Semifinal Round has dots above the following points; 52.7, 53, 53.3, 53.3, 53.5, 53.5, 53.5, and 53.7.
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