There is some evidence that drinking moderate amounts of wine helps prevent heart attacks. following data on yearly wine consumption (liters of alcohol from drinking wine, per person) and yearly deaths from heart disease (deaths per 100,000 people) were collected the early 1990’s from 19 nations: Alcohol from wine Heart disease deaths Alcohol Country Heart discase deaths Country from wine Australia Austria Belgium Canada Denmark Finland France Iceland Ireland Italy Netherlands New Zealand Norway Spain Sweden Switzerland United Kingdom United States West Germany 167 266 227 2.5 18 211 167 131 191 220 297 71 211 300 107 1.9 0.8 65 1.6 3.9 2.9 2.4 2.9 0.8 86 207 5.8 1.3 1.2 2.7 115 285 199 172 9.1 0.8 0.7 7.9 Summary information: Alcohol from wine Heart disease deaths Мean 3.03 191.05 Standard Deviation 2.51 68.40 r = 0.71 Pleases, answer the following questions: 1- Explain what the value of r² = 0.71 represents in this study?

There is some evidence that drinking moderate amounts of wine helps prevent heart attacks. following data on yearly wine consumption (liters of alcohol from drinking wine, per person) and yearly deaths from heart disease (deaths per 100,000 people) were collected the early 1990’s from 19 nations: Alcohol from wine Heart disease deaths Alcohol Country Heart discase deaths Country from wine Australia Austria Belgium Canada Denmark Finland France Iceland Ireland Italy Netherlands New Zealand Norway Spain Sweden Switzerland United Kingdom United States West Germany 167 266 227 2.5 18 211 167 131 191 220 297 71 211 300 107 1.9 0.8 65 1.6 3.9 2.9 2.4 2.9 0.8 86 207 5.8 1.3 1.2 2.7 115 285 199 172 9.1 0.8 0.7 7.9 Summary information: Alcohol from wine Heart disease deaths Мean 3.03 191.05 Standard Deviation 2.51 68.40 r = 0.71 Pleases, answer the following questions: 1- Explain what the value of r² = 0.71 represents in this study?

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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