Question

Days before a presidential​ election, an article based on a nationwide random sample of registered voters reported the following​ statistic, 52% ​(plus or minus±​3%) of registered voters will vote for Robert​ Smith. What is the ​plus or minus±​3% ​called

Answer 1

Margin of error

It means we know that the percentage of people that would vote for Robert​ Smith could be 49% in the worst case and 55% in the best case