b. Construct and interpret a 95% confidence interval for the slope of the linear relationship between cigarette consumption and death rates from CHD. Assume that all conditions have been met.

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b. Construct and interpret a 95% confidence interval for the slope of the linear relationship
between cigarette consumption and death rates from CHD. Assume that all conditions have been
met.
Transcribed Image Text:b. Construct and interpret a 95% confidence interval for the slope of the linear relationship between cigarette consumption and death rates from CHD. Assume that all conditions have been met.
1. Health researchers exploring the link between smoking and death rates from coronary heart
disease (CHD) in the human population gather data from 14 randomly selected countries from
around the world. Below is computer output from a regression analysis of this relationship
for those countries. The explanatory variable is annual consumption of cigarettes per person
and the response variable is annual deaths from coronary heart disease per 100,000 people.
Coef
SE Coef
T
P
Predictor
Constant
65.44
22.82
2.87
0.014
Cigarettes
0.02268
0.01926
1.18
0.262
S - 45.2671
R-Sq = 10.4% R-Sq(adj)
2.9%
Transcribed Image Text:1. Health researchers exploring the link between smoking and death rates from coronary heart disease (CHD) in the human population gather data from 14 randomly selected countries from around the world. Below is computer output from a regression analysis of this relationship for those countries. The explanatory variable is annual consumption of cigarettes per person and the response variable is annual deaths from coronary heart disease per 100,000 people. Coef SE Coef T P Predictor Constant 65.44 22.82 2.87 0.014 Cigarettes 0.02268 0.01926 1.18 0.262 S - 45.2671 R-Sq = 10.4% R-Sq(adj) 2.9%
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