Answered: Consider the following study in which…

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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Consider the following study in which standing and supine systolic blood pressures were
compared. This study was performed on twelve subjects. Their blood pressures were
measured in both positions.
Subject Standing Supine
1 132 136
2 146 145
3 135 140
4 141 147
5 139 142
6 162 160
7 128 137
8 137 136
9 145 149
10 151 158
11 131 120
12 143 150
I. state the hypothesis
II. find the test statistic
III. what is the df
IV. if the p-value associated with test statistics is 0.144 and alpha is 0.05, can we say that
On average there is a difference between the blood pressures in the two populations

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