TABLE 12.39 Relationship between protein concentration (mg/mL) of duodenal secretions to pancreatic function as measured by trypsin secretion [U/(kg/hr)] Trypsin secretion [U/(kg/hr)] 51-1000 < 50 >1000 Protein Subject number Protein Subject number Protein Subject number concentration concentration concentration 1 1.7 1 1.4 1 2.9 2 2.0 2 2.4 2 3.8 3 2.0 3 2.4 3 4.4 4 2.2 4 3.3 4 4.7 4.0 5 4.4 5.0 4.0 4.7 6 5.6 7 5.0 7 6.7 7 7.4 8 6.7 8. 7.6 8 9.4 9 7.8 9.5 9. 10.3 10 11.7

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In Table 12.39, we present data relating protein concentration to pancreatic function as measured by trypsin secretion among patients with cystic fibrosis [16].
12.42 If we do not want to assume normality for these distributions, then what statistical procedure can be used to compare the three groups?
12.43 Perform the test mentioned in Problem 12.42, and report a p-value. How do your results compare with a parametric analysis of the data?

 

TABLE 12.39 Relationship between protein concentration (mg/mL) of duodenal secretions to pancreatic
function as measured by trypsin secretion [U/(kg/hr)]
< 50
Trypsin secretion [U/(kg/hr)]
51-1000
>1000
Subject
number
Subject
number
Protein
Protein
Subject
number
Protein
concentration
concentration
concentration
1
1.7
1
1.4
1
2.9
2
2.0
2
2.4
2
3.8
3
2.0
3
2.4
3
4.4
4
2.2
4
3.3
4
4.7
5
4.0
4.4
5.0
6
4.0
6
4.7
6
5.6
7
5.0
7
6.7
7
7.4
8
6.7
8.
7.6
8
9.4
9
7.8
9
9.5
9.
10.3
10
11.7
Transcribed Image Text:TABLE 12.39 Relationship between protein concentration (mg/mL) of duodenal secretions to pancreatic function as measured by trypsin secretion [U/(kg/hr)] < 50 Trypsin secretion [U/(kg/hr)] 51-1000 >1000 Subject number Subject number Protein Protein Subject number Protein concentration concentration concentration 1 1.7 1 1.4 1 2.9 2 2.0 2 2.4 2 3.8 3 2.0 3 2.4 3 4.4 4 2.2 4 3.3 4 4.7 5 4.0 4.4 5.0 6 4.0 6 4.7 6 5.6 7 5.0 7 6.7 7 7.4 8 6.7 8. 7.6 8 9.4 9 7.8 9 9.5 9. 10.3 10 11.7
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