In March 2012, President Obama’s approval ratings were the highest they had been in almost a year: 46% of those that Gallup sampled approved of the job Obama was doing as president (http://www.gallup.com/poll viewed 4/9/12). Gallup reports a margin of sampling error of “plus or minus 1 percentage point.” Explain in everyday terms what this means. Assume a 95% confidence level.
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