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Name: The following data was collected from a clinical trial testing a new d
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Description: The following data was collected from a clinical trial testing a new drug aimed to lower blood pressure for individuals older than age 45. Half of the 20 participants received the new drug (Treatment = Yes) and the other half of the participants rece

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

The following data was collected from a clinical trial testing a new drug aimed to lower blood pressure for individuals older than age 45. Half of the 20 participants received the new drug (Treatment = Yes) and the other half of the participants received a placebo pill (Treatment = No). Their age and gender was also recorded. (Use a two-tailed test with α = .05)

Q: Find the test statistic, the critical value, and explain if the test rejects or retains the null hypothesis.

Subject ID
Treatment
Age
Gender
ВP Before
BP_After
D1
Yes
65
F
103.3
80.5
D2
Yes
59
93.6
85.9
D3
Yes
60
M
92
85.2
D4
Yes
54
93
87.8
D5
Yes
65
95.4
85.3
D6
Yes
57
109.6
94.2
D7
Yes
69
M
97.9
83.9
Yes
62
M
96
85
D9
Yes
49
98.4
86.3
D10
Yes
45
M
98.4
90
C1
No
63
97.4
93.1
C2
No
56
97.2
92.4
C3
No
54
M
98.8
94.6

C4
No
69
98.4
92.3
C5
No
75
89.8
89.3
C6
No
62
103.4
99.7
C7
No
61
90.1
88.4
C8
No
59
93.7
90.4
No
73
96.4
91.1
C10
No
57
F
98.6
90.5

Expert Solution

Step 1

Given:

Total number of participants that received the new drug (Treatment = Yes) =10

Using a two-tailed test with α = .05

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