What's the slope of this graph

At the newest animated movie, for every 9 children, there are 4 adults. there are a total of 39 children and adults at the movie.

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.

Create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1.