Assume we found a 98% confidence interval for the true difference in proportions of those who consume caffeine and smoke, and those who don’t consume caffeine and smoke to be [-0.78, 0.09]. Which of the following would be an appropriate interpretation? We are 98% confident that the true difference in the proportions of those who consume caffeine and smoke, and those who don't consume caffeine and smoke is between -0.78 and 0.09.   We are 98% confident that the true proportions of those who consume caffeine and smoke, and those who don't consume caffeine and smoke is between -0.78 and 0.09.    We are 98% confident that the difference in the proportions of those who consume caffeine and smoke, and those who don't consume caffeine and smoke is between -0.78 and 0.09.    We are 98% confident that the true difference in the averages of those who consume caffeine and smoke, and those who don't consume caffeine and smoke is between -0.78 and 0.09.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
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Assume we found a 98% confidence interval for the true difference in proportions of those who consume caffeine and smoke, and those who don’t consume caffeine and smoke to be [-0.78, 0.09]. Which of the following would be an appropriate interpretation?

We are 98% confident that the true difference in the proportions of those who consume caffeine and smoke, and those who don't consume caffeine and smoke is between -0.78 and 0.09.
 
We are 98% confident that the true proportions of those who consume caffeine and smoke, and those who don't consume caffeine and smoke is between -0.78 and 0.09. 
 
We are 98% confident that the difference in the proportions of those who consume caffeine and smoke, and those who don't consume caffeine and smoke is between -0.78 and 0.09. 
 
We are 98% confident that the true difference in the averages of those who consume caffeine and smoke, and those who don't consume caffeine and smoke is between -0.78 and 0.09. 
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