TABLE 10.22 Number of children with otonhea at 2 weeks of follow-up Number of childron with otonhea at 2 weeks Group Number of children Antibiotic ear drops Oral antibiotics Observation 76 77 34 75 41 10.19 Provide a point estimate and a 95% confidence interval for the prevalence of otorrhea at 2 weeks in the observation group. 10.20 Provide a point estimate and a 95% CI for the preva- lence of otorrhea in the ear drop group. 10.21 What tost can be used to compare the prevalence of otorhea for the ear drop group vs. the observation group? State the hypotheses to be tested 10.22 Perform the test in Problem 10.21 and report a pvalue (two-tailed). Interpret your renults in words

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.