Step 1: Find Real -world Example Find a survey research study or poll result that discloses the margin of error (confidence interval or sampling error ). Additionally , if you can find an example with the confidence level , that is even better. While market research or business research surveys are most pertinent to this course , you are allowed to use other types of surveys or political polls for this exercise since many market research results will be proprietary to the company and not available to the public . However ,if your college has access to industry surveys via a library database , those studies would be preferred For a quick exploration of recent polls that are likely to state a margin of error , visit the poll section of USA TODAY via this link: https://www.usatoday.com/search/?q=polls . Be sure to choose an article that states either the confidence level or margin of error