Calculate a 95% confidence interval (Chapter 17) for the mean Cholesterol of heart disease patients.
Calculate a 95% confidence interval (Chapter 17) for the mean Cholesterol of heart disease patients.
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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Summary statistics for Chol:
(a) Calculate a 95% confidence interval (Chapter 17) for the mean Cholesterol of heart disease patients. Use the t-distribution table and the Cholesterol summary statistics.
Group by: HD
HD | n | Mean | Variance | Std. dev. | Std. err. | Min | Max | Q1 | Q3 | ||
---|---|---|---|---|---|---|---|---|---|---|---|
No | 164 | 242.64024 | 2857.606 | 53.45658 | 4.1742576 | 234.5 | 438 | 126 | 564 | 208.5 | 267.5 |
Yes | 139 | 251.47482 | 2448.9468 | 49.486835 | 4.1974185 | 249 | 278 | 131 | 409 | 217 | 284 |
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