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i. Sketch a scatter diagram of the data and interpret the correlation coefficient.

i. Sketch a scatter diagram of the data and interpret the correlation coefficient.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 10CYU
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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.
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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