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. а.
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. а.
Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter7: Distance And Approximation
Section7.3: Least Squares Approximation
Problem 33EQ
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Transcribed Image Text:Question 7
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
5.6
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
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.
а.
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