| Sumario: | It is not always completely true to believe that the political candidate with the biggest poll numbers is in the lead in political elections. When the margin between the candidates is less than the sampling error margin, it should not be concluded that one candidate leads another. If, however, one candidate leads another by more than the sampling error margin but less than twice the sampling error margin, that candidate can be said to be slightly in the lead. In addition, if the gap between the candidates is more than twice the sampling error margin, it can be concluded that one candidate is certainly leading the other in the voters' minds—at least for the moment. Furthermore, it is important to remember that no matter how big the lead, no pre-election poll concludes that the race is over until one candidate has actually won.
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