Practice one SAT question at a time
Questions come from the Bluebook question bank. Made by Iskaa303 (Iskander Madikhan).
A researcher surveyed a random sample of people from a certain city to estimate the percentage of people who support a recently announced proposal. From the survey, the researcher estimated that of people from the city support this proposal, with an associated margin of error of . The researcher repeated the survey with a random sample of people from the city that was double the original sample size. Assuming the margins of error were calculated in the same way, which of the following is true about the margin of error associated with the estimate from the larger sample?
Practice one SAT question at a time
Questions come from the Bluebook question bank. Made by Iskaa303 (Iskander Madikhan).
A researcher surveyed a random sample of people from a certain city to estimate the percentage of people who support a recently announced proposal. From the survey, the researcher estimated that of people from the city support this proposal, with an associated margin of error of . The researcher repeated the survey with a random sample of people from the city that was double the original sample size. Assuming the margins of error were calculated in the same way, which of the following is true about the margin of error associated with the estimate from the larger sample?