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The figure below illustrates the prevalence of cigarette smoking (yes/no) according to age in a hypothetical population. lence of smoking (%) 40 35 30 25 20 15 18 16

The figure below illustrates the prevalence of cigarette smoking (yes/no) according to age in a hypothetical population. lence of smoking (%) 40 35 30 25 20 15 18 16

MATLAB: An Introduction with Applications
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 figure below illustrates the prevalence of cigarette smoking (yes/no) according to age in a hypothetical population. Prevalence of smoking (%) 40 35 30 25 20 15 10 5 Ln 0 18 16 li 18-30 31-40 12 41-50 8 51-60 6 3 61-70 71 & above Age (years) 12 All ages A) Interpret the graph in not more than 100 words B) If you were to test the null hypothesis that "the prevalence of smoking is the same across the six age groups, what statistical test would you use and why?
Transcribed Image Text:The figure below illustrates the prevalence of cigarette smoking (yes/no) according to age in a hypothetical population. Prevalence of smoking (%) 40 35 30 25 20 15 10 5 Ln 0 18 16 li 18-30 31-40 12 41-50 8 51-60 6 3 61-70 71 & above Age (years) 12 All ages A) Interpret the graph in not more than 100 words B) If you were to test the null hypothesis that "the prevalence of smoking is the same across the six age groups, what statistical test would you use and why?
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