A study was conducted to determine whether a new drug,nomasbesos, was effective in preventing the swollen spleen thatoften occurs when a person has a mononucleosis (mono) infection.Individuals with mono were randomly selected to either receivenomasbesos or a placebo treatment. Among the 315 who received thenomasbesos, 35 developed swollen spleens. Among the 275 individualswho received the placebo, 92 developed swollen spleens. Goout to 3 decimal points for all your calculations and then round to2 decimal points for your final answer. The answers are below foryour studying purposes.
Complete the 2x2 for the study. Be SURE to indicate preciselywhat your treatment and outcome are and complete all applicablecells.
| Swollen spleen | No swollen spleen | Totals |
Nomasbesos (treatment) | | | |
Placebo | | | |
Totals | | | |
1. What kind of study design (specifically) was used? How do youknow?
2. What is the appropriate measure of association?
3. Calculate the value of the appropriate measure ofassociation. Show all your work.
4. What does the calculated association mean in words?
