A study done at the Center for Disease at a certain university tracked 18,915 as
ID: 3225222 • Letter: A
Question
A study done at the Center for Disease at a certain university tracked 18,915 asymptomatic patients with a certain disease who started therapy at different points in the progression of the infection. It was discovered that asymptomatic patients who postponed antiretroviral treatment until their disease was more advanced faced a higher risk of dying than those who had initiated drug treatment earlier. Complete parts a. through c. below.
a. Identify the population and the population parameter(s) of interest. Choose the correct answer below O A. The population is all people. The population parameter is the percentage of people with the disease. O B. The population is all asymptomatic patients with the disease who have undergone treatme The population parameters are the survival rates a the times a which treatment began O C. The population is all students of the university. The population parameters are the survival rates and the times at which treatment began. O D. The population is all people of the county in which the university is located. The population parameter is the percentage of people in that country with the disease.Explanation / Answer
A.
Since it is clear from the given passage that
Population is all asymptomatic patients with the disease who have undergone treatment. The population parameter are the survival rates and the time at which treatment begin.
B.
Here the sample is 18915 asymptomatic patients with disease. The sample statistics are the survival rates and the time at which treatment begin for those in the sample
C.
Since here no one is experimenting the things with patients. The patients only taking the treatment according to their wish ..It's is an observational study
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