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.