Question

For the following​ report, identify, if​ possible, (a) the​ population; (b) the population parameter of​ interest; (c) the sampling​ frame; (d) the​ sample; (e) the sampling​ method, including whether or not randomization was​ employed; and​ (f) any potential sources of bias you can detect and any problems you see in generalizing to the population of interest.Medical treatment: Consumer union asked all subscribers whether they had used alternative medical treatments, and if so, whether they had benefit from them. For almost all of the treatment, approximately 20% of those responding reported cures or substantial improvement in their condition.

Answer 1

Randomization was employed

Explanation:

a. First and foremost, the population considered is Consumer Union

b. The population parameter of interest is Medical Treatment.

c. The sampling frame is all subscribers at Consumer Union.

d. The sampling involved is simple random sampling, because all subscribers has equal opportunity of being chosen.

e. Randomization was employed because of the sampling method used.