a) Find the equation of the regression line. Ulcer rate, ?(?)= (b) Estimate the peptic ulcer rate for an income level of ?0=27000 according to the linear model in part (a). Ulcer rate, ?(?0)= .
a) Find the equation of the regression line. Ulcer rate, ?(?)= (b) Estimate the peptic ulcer rate for an income level of ?0=27000 according to the linear model in part (a). Ulcer rate, ?(?0)= .
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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The table below shows (lifetime) peptic ulcer rates (per 100 population), ?, for various family incomes, ?, as reported by the 1989 National Health Interview Survey.
| Income | 4000 | 6000 | 8000 | 12000 | 16000 | 20000 | 30000 | 45000 | 60000 |
| Ulcer rate | 12.7 | 13.1 | 12.6 | 12.1 | 12 | 11.4 | 10.7 | 9.2 | 7.5 |
(a) Find the equation of the regression line.
Ulcer rate, ?(?)=
(b) Estimate the peptic ulcer rate for an income level of ?0=27000 according to the linear model in part (a).
Ulcer rate, ?(?0)= .
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