Solve the following problems according to the proper test to be used: Wilcoxon Rank test or Mann-Whitney U test. Provide a complete solution. 1. The table shows the hours of relief provided by two analgesic drugs (A and B) in 12 patients suffering from arthritis. Is there any evidence that one drug provides longer relief than the other? Use alpha = 0.05. A 3.5 5.7 2.9 2.4 9.9 3.3 16.7 6.0 3.8 4.0 9.1 20.9 B 2.0 3.6 2.6 2.6 7.3 3.4 14.9 6.6 2.3 2.0 6.8 8.5

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter5: Inverse, Exponential, And Logarithmic Functions
Section5.6: Exponential And Logarithmic Equations
Problem 64E
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Solve the following problems according to the proper test to be used: Wilcoxon Rank test or Mann-Whitney U test. Provide a complete solution.

1. The table shows the hours of relief provided by two analgesic drugs (A and B) in 12 patients suffering from arthritis. Is there any evidence that one drug provides longer relief than the other? Use alpha = 0.05.

A

3.5

5.7

2.9

2.4

9.9

3.3

16.7

6.0

3.8

4.0

9.1

20.9

B

2.0

3.6

2.6

2.6

7.3

3.4

14.9

6.6

2.3

2.0

6.8

8.5

2. The effectiveness of services for two rival hospitals (C and D) was compared. The following ratings were provided below. Is there a difference between the services of the two hospitals? Use alpha = 0.05.

C

9

7

5

10

6

8

D

3

4

2

6

2

5

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