QUESTION
#18 Researchers want to test the effectiveness of a new anti-anxiety medication. Three hundred seventy three patients were recruited to participate in the clinical trial. In clinical testing, 60 out of 175 people taking the medication reported symptoms of anxiety. Of the other 198 people receiving a placebo, 80 reported symptoms of anxiety. What is the estimated standard error of the difference of the two sample proportions based onpooled sample proportion?
ANSWER:
Place an order in 3 easy steps. Takes less than 5 mins.