Question

(3 points) Suppose researchers studying the effect of antibiotic treatment for acute sinusitis compared to symptomatic treatments randomly assigned 164 adults diagnosed with acute sinusitis to one of two groups: treatment or control. Study participants received either a 10-day course of amoxicillin (an antibiotic) or a placebo similar in appearance and taste. The placebo consisted of symptomatic treatments such as acetaminophen, nasal decongestants, etc. At the end of the 10-day period patients were asked if they experienced significant improvement in symptoms. The distribution of responses are summarized below. Round all answers to four decimal places.

Significant Improvement

Group	Yes	No	Total
Treatment	56	24	80
Control	62	22	84
Total	118	46	164

What percent of patients in the treatment group experienced a significant improvement in symptoms?  %

What percent of patients in the control group experienced a significant improvement in symptoms?  %

Based on the results of this table, which treatment appears to be more effective for sinusitis
A. They are approximately equally effective
B. Treatment
C. Control

Answer 1