Listed below are the numbers of heroic firefighters who lost their lives in the United States each year while fighting forest fires. The numbers are listed in order by year, starting with the year 2000. What important feature of the data is not revealed by any of the measures of center?
20 18 23 30 20 12 24 9 25 15 8 11 15 34
Find the (a) mean, (b) median, (c) mode, (d) midrange, and then answer the given question.