4 The systolic pressures (in mmHg) of women between the ages of 20 and 35 was measured before and after administration of a newly developed drug for pain treatment. The dataset is in the table below. We want to compare the Before and After measurements. Total Mean Subject 1 3 4 Sample Standard Deviation After Blood Pressure 120 125 130 135 140 145 Before (X) 120 122 126 122 132 120 Sxy=167 Figure 1: Scatter Plot of Before vs. After Blood Pressure Levels 128 126 124 Before Blood Pressure 130 After (Y) 127 128 145 119 519 129.75 10.93542-10.93 132 АЯ Я VOD
4 The systolic pressures (in mmHg) of women between the ages of 20 and 35 was measured before and after administration of a newly developed drug for pain treatment. The dataset is in the table below. We want to compare the Before and After measurements. Total Mean Subject 1 3 4 Sample Standard Deviation After Blood Pressure 120 125 130 135 140 145 Before (X) 120 122 126 122 132 120 Sxy=167 Figure 1: Scatter Plot of Before vs. After Blood Pressure Levels 128 126 124 Before Blood Pressure 130 After (Y) 127 128 145 119 519 129.75 10.93542-10.93 132 АЯ Я VOD
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
a) what type of variable is a subjects before blood pressure (in mmHg)
b) Describe the form and direction observed in Figure 1
c) use the information to solve for the
d) use the information to obtain the line of best fit
e) interpret the slope of your line
f) predict the after blood pressure of a woman when her before blood pressure is 132mmHg.
g) teh systolic blood pressure of a woman after taking the treatment is 137 mmHg, and her blood pressure before the treatment is 133mmHg. What is the resudual? Is the fitted line over estimating or under estimating this point?
Transcribed Image Text:4
The systolic pressures (in mmHg) of women between the ages of 20 and 35 was measured
before and after administration of a newly developed drug for pain treatment. The dataset is in
the table below. We want to compare the Before and After measurements.
Total
Mean
Subject
1
3
4
Sample Standard Deviation
After Blood Pressure
120 125 130 135 140 145
Before (X)
120
122
126
122
132
120
Sxy=167
Figure 1: Scatter Plot of Before vs. After
Blood Pressure Levels
128
126
124
Before Blood Pressure
130
After (Y)
127
128
145
119
519
129.75
10.93542-10.93
132
АЯ Я VOD
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