Sleep apnea is a disorder in which you have one or more pauses in breathing or shallow
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Sleep apnea is a disorder in which you have one or more pauses in breathing or shallow breaths while you sleep. In a cross-sectional study of 320 individuals who suffer from sleep apnea, it was found that 192 had gum disease. Note: In the general population, about 17.5% of individuals have gum disease.
(a) What does it mean for this study to be cross-sectional?
(b) What is the variable of interest in this study? Is it qualitative or quantitative? Explain.
(c) Estimate the proportion of individuals who suffer from sleep apnea who have gum disease with 95% confidence. Interpret your result?
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a A crosssectional study is a study that has its data obtained at a spe...View the full answer
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Related Book For 
Statistics Informed Decisions Using Data
ISBN: 9780134133539
5th Edition
Authors: Michael Sullivan III
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