The data are: Subject Starting SBP Ending SBP 1 140 128 2 130 125 3 150 140 4 160 162 135 137 128 130 7 142 135 8 151 140 Based on the data, run the appropriate test at the 5% level of significance to test for a mean difference.
The data are: Subject Starting SBP Ending SBP 1 140 128 2 130 125 3 150 140 4 160 162 135 137 128 130 7 142 135 8 151 140 Based on the data, run the appropriate test at the 5% level of significance to test for a mean difference.
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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![A nutritionist is investigating the effects of a
rigorous walking program on systolic blood
pressure (SBP) in patients with mild
hypertension. Subjects who agree to participate
have their SBP measured at the start of the
study and then after completing the 6-week
walking program.
The data are:
Subject
Starting SBP Ending SBP
1
140
128
130
125
3
150
140
4
160
162
135
137
128
130
7
142
135
8
151
140
Based on the data, run the appropriate test at
the 5% level of significance to test for a mean
difference.
|t| test statistic: 2.259, t-critical value: 2.365. Do
not Reject HO.
|t| test statistic: 0.864, t-critical value: 2.145. Do
not reject HO.
None of these choices are correct.
|t] test statistic: 2.259, t-critical value: 1.895.
Reject HO.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fbc058a55-aeb6-40cd-af88-512f831a4d63%2F01803ef5-c87a-468c-a49a-a504bb1954eb%2Figbiswk_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A nutritionist is investigating the effects of a
rigorous walking program on systolic blood
pressure (SBP) in patients with mild
hypertension. Subjects who agree to participate
have their SBP measured at the start of the
study and then after completing the 6-week
walking program.
The data are:
Subject
Starting SBP Ending SBP
1
140
128
130
125
3
150
140
4
160
162
135
137
128
130
7
142
135
8
151
140
Based on the data, run the appropriate test at
the 5% level of significance to test for a mean
difference.
|t| test statistic: 2.259, t-critical value: 2.365. Do
not Reject HO.
|t| test statistic: 0.864, t-critical value: 2.145. Do
not reject HO.
None of these choices are correct.
|t] test statistic: 2.259, t-critical value: 1.895.
Reject HO.
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