Why might a personal budget include information on both spending and saving habits? a) people need to learn how to spend more money instead of saving it. b) by knowing how much they spend, people can look for ways to save more. c) spending and saving habits cannot be changed, so people have to earn more. d) a personal budget shows people how to spend more money on items they want.

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.