In the current election cycle, many media reports about polls are not including information about the margin of error.

If a margin of error is plus or minus 3 percentage points, the margin of error on the difference between them is about double – or 6 percentage points, in this example.

For example, a sample of 600 voters will have a larger margin of error – about 4 percentage points – than a sample of 1,000 voters, which has a margin of error of just over 3 percentage points.

In the current election cycle, many media reports about polls are not including information about the margin of error.

For example, a sample of 600 voters will have a larger margin of error – about 4 percentage points – than a sample of 1,000 voters, which has a margin of error of just over 3 percentage points.

In that year, some polls in Florida, for example, indicated that Hillary Clinton was just a couple of percentage points ahead of Trump. Journalists and the public largely – and incorrectly ...

In the current election cycle, many media reports about polls are not including information about the margin of error.

An election poll's point estimate is stabbing for the right answer, but the margin of error usually includes the true figure. Sometimes even that can be wrong.