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 correlation coefficient. interpret your result 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?
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 correlation coefficient. interpret your result 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?
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
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step 1: Determine the given variables.
VIEWStep 2: Determine the type of variable for before blood pressure and describe the form and direction.
VIEWStep 3: Determine the correlation coefficient and the line of best fit
VIEWStep 4: Interpret slope, predict Y when X=132, and determine residual when X=133.
VIEWSolution
VIEW
Step by step
Solved in 5 steps with 12 images
Recommended textbooks for you
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman