2. Once again consider the data describing the relationship between weight and blood pressure described in problem 2. Use the data in problem 2 to answer the following questions. a. Find and interpret a 95% confidence interval for the population slope. b. Find and interpret a 95% confidence interval for the average systolic blood pressure for female adults that weigh 158 pounds. c. Find and interpret a 95% prediction interval for a female adult who weighs 158 pounds.
2. Once again consider the data describing the relationship between weight and blood pressure described in problem 2. Use the data in problem 2 to answer the following questions. a. Find and interpret a 95% confidence interval for the population slope. b. Find and interpret a 95% confidence interval for the average systolic blood pressure for female adults that weigh 158 pounds. c. Find and interpret a 95% prediction interval for a female adult who weighs 158 pounds.
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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Transcribed Image Text:2. Once again consider the data describing the relationship between weight and blood pressure
described in problem 2. Use the data in problem 2 to answer the following questions.
a. Find and interpret a 95% confidence interval for the population slope.
b. Find and interpret a 95% confidence interval for the average systolic blood pressure for female
adults that weigh 158 pounds.
c. Find and interpret a 95% prediction interval for a female adult who weighs 158 pounds.
d. Explicitly explain the difference between the CI found in part b and the PI found in part c.
Transcribed Image Text:2. Does gaining weight increase systolic blood pressure for adult females? And, if so, what is the
relationship? This was a question of interest for researchers. A random sample of twenty female
(adults was obtained. The data below is the weight measured in pounds and systolic blood pressure
measured in mmHg.
y bo
bak
Weight
Blood Pressure
180
Weight
Blood Pressure
138
175
145
120
135
156
125
195
140
135C
110
171
129
140
115
Secto 160
126
115
108
158
128
149
124 S
162
130
135 A
114
150
135
130
105
194
142
130
117
150
127
120
102 E
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