Refer to the previous exercise about the study of the relationship between sleep apnea and hypertension. Suppose
Question:
For parts (a)(c): How, if at all, would the values of the following change?
a. The expected cell counts: Increase Decrease Stay the same
b. The p-value: Increase Decrease Stay the same
c. The chi-square statistic: Increase Decrease Stay the same
d. Would the evidence in support of an association between sleep apnea and hypertension for people such as the ones in the study be stronger or weaker compared to the original study? Explain how you are deciding.
Data from previous exercise
In a study of the relationship between sleep apnea and hypertension (New England Journal of Medicine, 2000), researchers Peppard et al. categorized the participants by the severity of sleep apnea at the beginning of the study, and four years later recorded whether or not the participant had hypertension. Here is the table of the summarized data:
Step by Step Answer:
Introduction To Statistical Investigations
ISBN: 9781118172148
1st Edition
Authors: Beth L.Chance, George W.Cobb, Allan J.Rossman Nathan Tintle, Todd Swanson Soma Roy