i. Sketch a scatter diagram of the data and interpret the correlation coefficient.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 2AGP
Related questions
Question
q5 b
![b)
Dr. Alia is monitoring 7 diabetic patients in her ward. After her morning round, she
observed that her patient' blood pressure, p mmHg and their age (t) is as follows:
Patient
t
р
1
44
90
Table 5: Blood pressure of Dr. Alia's patients
2
4
74
88
130
147
3
48
120
5
42
98
6
55
80
i. Sketch a scatter diagram of the data and interpret the correlation coefficient.
7
28
101
ii. Given the estimator of the standard error of the slope (s) is 0.02 and the linear
regression equation for the data is: 63.178 +0.854x, does the patient's age affect the
blood pressure reading? Test the hypothesis using 99% confidence level.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F369eb33d-5550-4191-a702-94922b8cf6c1%2F5749e1b7-2ba3-49ac-b5d1-b8889f3803f3%2Fjnqia5x_processed.jpeg&w=3840&q=75)
Transcribed Image Text:b)
Dr. Alia is monitoring 7 diabetic patients in her ward. After her morning round, she
observed that her patient' blood pressure, p mmHg and their age (t) is as follows:
Patient
t
р
1
44
90
Table 5: Blood pressure of Dr. Alia's patients
2
4
74
88
130
147
3
48
120
5
42
98
6
55
80
i. Sketch a scatter diagram of the data and interpret the correlation coefficient.
7
28
101
ii. Given the estimator of the standard error of the slope (s) is 0.02 and the linear
regression equation for the data is: 63.178 +0.854x, does the patient's age affect the
blood pressure reading? Test the hypothesis using 99% confidence level.
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