Which set of data probably has their points closest to their mean? *
FIRST BLOCK: Standard deviation = 22.62
SECOND BLOCK: Standard deviation = 23.48
THIRD BLOCK: Standard deviation = 14.61
FOURTH BLOCK: Standard deviation = 26.52

Suppose sat writing scores are normally distributed with a mean of 497 and a standard deviation of 109. a university plans to award scholarships to students whose scores are in the top 2%. what is the minimum score required for the scholarship? round your answer to the nearest whole number, if necessary.

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.

Explain how you can find the missing fraction in 3 4/5 / (blank) 2 5/7. then find the missing fraction.