Add Yahoo as a preferred source to see more of our stories on Google. I am a statistician, and part of my job is to make inferences and predictions. With unlimited time and money, I could simply test ...

As Americans await the presidential election results, many are looking to the polls for clues. A poll’s margin of error describes how close a survey result can ...

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 ...

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 ...

This article originally appeared on Undark. When pollsters, journalists, and pundits want to signal that an opinion poll may not be right on target, they often turn ...

In the last year, statistics have been unusually important in the news. How accurate is the COVID-19 test you or others are using? How do researchers know the effectiveness of new therapeutics for ...

David Norris still remembers staring in disbelief at the 2008 tax bill for his conference-and-event-center company. In 2007 he’d paid the State of Texas $157. A year later, the number had soared to a ...