Blood cocaine concentration (mg/l) was determined both for a sample of individuals who had died from cocaine-induced excited delirium (ed)

Blood cocaine concentration (mg/l) was determined both for a sample of individuals who had died from cocaine-induced excited delirium (ed) and for a sample of those who had died from a cocaine overdose without excited delirium; survival time for people in both groups was at most 6 hours. the accompanying data was read from a comparative boxplot in an article.
ed 0 0 0 0 .1 .1 .1 .1 .2 .2 .3 .3 .3 .4 .5 .7 .8 1.0 1.5 2.7 2.8 3.5 4.0 8.9 9.2 11.7 21.0 non-ed 0 0 0 0 0 .1 .1 .1 .1 .2 .2 .2 .3 .3 .3 .4 .5 .5 .6 .8 .9 1.0 1.2 1.4 1.5 1.7 2.0 3.2 3.5 4.1 4.3 4.8 5.0 5.6 5.9 6.0 6.4 7.9 8.3 8.7 9.1 9.6 9.9 11.0 11.5 12.2 12.7 14.0 16.6 17.8 required: a. determine the medians, fourths, and fourth spreads for the two samples. b. are there any outliers in either sample? any extreme outliers? c. construct a comparative boxplot, and use it as a basis for comparing and contrasting the ed and non-ed samples.