A study prospectively examined whether sleep-disordered breathing was associated with an increasedrisk of death from any cause in a cohort of 600 adults participating in the Sleep Heart Health Study.Study participants were classified into four groups depending on the extent of their sleep-disorderedbreathing (none, mild, moderate, or severe). The counts of deaths over the course of the study arereported for each group in the following two-way table.MildSevere100DeathNo DeathTotalNone4010014040100140Moderate20100120Total200400600100200We want to know whether the study findings give evidence of a significant difference of the number ofdeaths between the different groups.Set up the alternative hypothesis (H, :The distribution of the categorical variable is not as given by the null hypothesis (lack of fit)At least ones of the means is different from the othersO The two categorical variables are dependentThe distribution of the categorical variable is not the same across populations or treatmentsp # Po

The test is to check whether there is a significant difference of the number of deaths between the…

A study prospectively examined whether sleep-disordered breathing was associated with an increased risk of death from any cause in a cohort of 600 adults participating in the Sleep Heart Health Study. Study participants were classified into four groups depending on the extent of their sleep-disordered breathing (none. mild, moderate, or severe). The counts of deaths over the course of the study are reported for each group in the following two-way table. Death No Death Total None 40 100 140 Mild 40 100 140 Moderate 20 100 120 Severe 100 100 200 Total 200 400 600 We want to know whether the study findings give evidence of a significant difference of the number of deaths between the different groups. Set up the alternative hypothesis ( H. ):

A study prospectively examined whether sleep-disordered breathing was associated with an increased risk of death from any cause in a cohort of 600 adults participating in the Sleep Heart Health Study. Study participants were classified into four groups depending on the extent of their sleep-disordered breathing (none. mild, moderate, or severe). The counts of deaths over the course of the study are reported for each group in the following two-way table. Death No Death Total None 40 100 140 Mild 40 100 140 Moderate 20 100 120 Severe 100 100 200 Total 200 400 600 We want to know whether the study findings give evidence of a significant difference of the number of deaths between the different groups. Set up the alternative hypothesis ( H. ):

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.6: Summarizing Categorical Data

Problem 10CYU

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