A political poll surveyed 1,000 registered voters selected at random and found that 48% intend to vote for Candidate A, with a margin of error of 3%. Which of the following statements best describes the meaning of the margin of error in this context?
It represents the percentage of voters in the sample who were undecided.
It indicates the range within which the true percentage of all registered voters supporting Candidate A is likely to fall.
It is the percentage of error made by the pollsters during data collection.
It means that if the survey were conducted again, exactly 48% of voters would support Candidate A.