Blood cocaine concentration (mg/L) was determined both for a sample of individuals who had died from...

 

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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. ED: 0.1 0.1 0.1 0.1 0.2 0.2 0.3 0.3 0.3 0.4 0.5 0.7 0.8 1 1.5 2.7 2.8 3.5 4 8.9 9.2 11.7 21 Non- 0.1 0.1 0.1 0.1 0.2 ED: 0.2 0.2 0.3 0.3 0.3 0.4 0.5 0.5 0.6 0.8 0.9 1 1.2 1.4 1.5 1.7 2 3.2 3.5 4.1 4.3 4.8 5 5.6 5.9 6. 6.4 7.9 8.3 8.7 9.1 9.6 9.9 11 11.5 12.2 12.7 14 16.6 17.8 a. Determine the three quartile values for blood cocaine concentration for both ED and Non-ED samples. b. Construct a comparative boxplot (two boxplots on the same set of axes, one above the other), and use it as a basis for comparing and contrasting the ED and non-ED samples. 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. ED: 0.1 0.1 0.1 0.1 0.2 0.2 0.3 0.3 0.3 0.4 0.5 0.7 0.8 1 1.5 2.7 2.8 3.5 4 8.9 9.2 11.7 21 Non- 0.1 0.1 0.1 0.1 0.2 ED: 0.2 0.2 0.3 0.3 0.3 0.4 0.5 0.5 0.6 0.8 0.9 1 1.2 1.4 1.5 1.7 2 3.2 3.5 4.1 4.3 4.8 5 5.6 5.9 6. 6.4 7.9 8.3 8.7 9.1 9.6 9.9 11 11.5 12.2 12.7 14 16.6 17.8 a. Determine the three quartile values for blood cocaine concentration for both ED and Non-ED samples. b. Construct a comparative boxplot (two boxplots on the same set of axes, one above the other), and use it as a basis for comparing and contrasting the ED and non-ED samples.

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