Number of chidren with otonhea at 2 weeks Group Number of children Antibiotic ear drops Oral antibiotics 76 4 77 34 Observation 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 apoint 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 V. the observation group? State the hypotheses to be tested 10.22 Perform the test in Problem 10.21 and treport a p-value (two-tailed). Interpret your renults in words

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Author:Amos Gilat
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10.21 pls

Number of chidren
with otonhea at
2 weeks
Group
Number of children
Antibiotic ear drops
Oral antibiotics
76
4
77
34
Observation
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 apoint 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 V. the observation group?
State the hypotheses to be tested
10.22 Perform the test in Problem 10.21 and treport a
p-value (two-tailed). Interpret your renults in words
Transcribed Image Text:Number of chidren with otonhea at 2 weeks Group Number of children Antibiotic ear drops Oral antibiotics 76 4 77 34 Observation 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 apoint 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 V. the observation group? State the hypotheses to be tested 10.22 Perform the test in Problem 10.21 and treport a p-value (two-tailed). Interpret your renults in words
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