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I see that on the presidential election news these days that "Trump holds double-digit lead in 2 national polls", I don't understand what it means.

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  • double digit lead means having a lead of not less than 2 digits. – Archie Azares May 23 '16 at 8:08
  • he's got a lead of 10 points – JMP May 23 '16 at 8:15
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The convention in the reporting of opinion polls is that the results are given as percentages. If a candidate is reported as having a "2-point lead", it means x+2 percent of the electorate intend to vote for that candidate, as opposed to x percent intending to vote for the leading rival.

A "double-digit lead" means the difference in percentages is in double-digits, i.e. greater than 10%.

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    Just to be pedantic, "10% or greater", rather than "greater than 10%". – Max Williams May 23 '16 at 8:14
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    Double-digit, meaning: it takes two digits to write it. – GEdgar May 23 '16 at 12:54
  • Just to be even more pedantic, to write it in base 10. :) – TRomano May 23 '16 at 13:57

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