In just about any discussion of a poll about the very close presidential race between Vice President Kamala Harris and former President Donald Trump, you’ll hear ...

Add Yahoo as a preferred source to see more of our stories on Google. In just about any discussion of a poll about the very close presidential race between Vice President Kamala Harris and former ...

You can’t get into an argument about polls without some wise guy whipping out the “margin of error” to shut down the other side. But what is the margin of error, exactly? (Or, as Gilda Radner’s ...

I am a statistician, and part of my job is to make inferences and predictions. With unlimited time and money, I could simply test or survey the entire group of people I am interested in to evaluate ...

Log-in to bookmark & organize content - it's free! CBS News Election and Surveys Director Anthony Salvanto explains the margin of error in survey data and how it can ...

Understanding the confidence interval will help you grasp what an election poll is -- or is not -- saying. As you might have guessed, the media consistently gets it wrong. Candidate Gobermouch is ...

While previous sections of this report have focused on the kinds of systematic biases that may be the largest worry when it comes to public opinion polls, the variance (or precision) of estimates is ...

As the 2020 election pushes ahead, voters will be seeing poll results in their news feed — lots of them. But not all polls are created equal, and it can be hard to put the results into the proper ...

In just about any discussion of a poll about the very close presidential race between Vice President Kamala Harris and former President Donald Trump, you'll hear the ...