4 One morning, eight buses arrive at a bus stop. The number of minutes late for each bus is shown below. 07269207
In the afternoon, two more buses arrive at the bus stop. The median number of minutes late of all ten buses is 3.5.
The mode number of minutes late of all ten buses is 0. How many minutes late were the two afternoon buses?

At the olympic games, many events have several rounds of competition. one of these events is the men's 100-meter backstroke. the upper dot plot shows the times (in seconds) of the top 8 finishers in the final round of the 2012 olympics. the lower dot plot shows the times of the same 8 swimmers, but in the semifinal round. which pieces of information can be gathered from these dot plots? (remember that lower swim times are faster.) choose all answers that apply: a: the swimmers had faster times on average in the final round. b: the times in the final round vary noticeably more than the times in the semifinal round. c: none of the above.