Waec Model Questions Vol1 2019 Civic Education Question 20
Practice objective / multiple choice question 20 from the 2019 Waec Model Questions Vol1 Civic Education examination.
A survey of 1,200 secondary‑school students recorded the following data: 120 students reported using cannabis in the past month, of whom 48 missed at least one school day because of intoxication. Among the 1,080 students who did not use cannabis, 108 missed at least one school day for any reason. (a) Calculate the relative risk (RR) of missing school days for cannabis users compared with non‑users, giving the result to two decimal places. (b) Using the overall proportion of cannabis users in the sample, compute the population attributable fraction (PAF) for missing school days due to cannabis use, expressing the answer as a percentage to one decimal place.
Answer Options
About This Question
This is Waec Model Questions Vol1 2019 Civic Education Question 20. It is one of the objective questions from the 2019 Waec Model Questions Vol1 Civic Education examination.
Difficulty level: Hard .
Master the Exam!
You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.