1. Compare the percentage of cleared ears among children 2€“5 years of age vs. the percentage of cleared ears among children <2 years of age. Report a two-tailed p-value?

2. Compare the percentage of cleared ears among children 6+ years of age vs. the percentage of cleared ears among children <2 years of age. Report a two-tailed p-value?

Otolaryngology

Consider Data Set EAR.DAT (Table 3.12). Suppose we use the ear as the unit of analysis, where the outcome is a success if an ear clears by 14 days and a failure otherwise.

Table 13.12: Relationship of passive smoking to cancer risk among smokers

 

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Passive smoker Case-control status Yes No Total Case 161 117 278 Control 130 124 254 Total 291 241 532