He debate about childhood vaccinations became a major news issue in late 2014 and early 2015, with the cdc reporting that the "united states experienced a record number of measles cases during 2014, with 668 cases from 27states reported. this is the greatest number of cases since measles elimination was documented in the u. s. in 2000." according to the same report by the cdc, "the majority of people who got measles were unvaccinated."a gallup poll asked the question, "how important is it that parents get their children vaccinated – extremely important, very important, somewhat important, or not at all important? " according to the survey methods section, "results for this gallup poll are based on telephone interviews conducted february 28 – march 1, 2015, with a random sample of 1,015adults, aged 18 and older, living in all 50u. s. states and the district of columbia."(a) what is the population for this sample survey? (b) what is the sample?