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Margin of Error and Confidence Levels: Make the Most of Your Customer Surveys

The margin of error allows you to use smaller sample sizes when conducting customer surveys. The measurement directly relates to the size of your sample, with larger ...
The Conversation

Why the margin of error matters more than ever in reading 2024 election polls – a pollster with 30 years of experience explains

Doug Schwartz is affiliated with the American Association of Public Opinion Research (AAPOR). As the director of the Quinnipiac University Poll, which has been taking the pulse of the public on policy ...
Pew Research Center

Understanding error bars in charts

A behind-the-scenes blog about research methods at Pew Research Center. For our latest findings, visit pewresearch.org. Every survey finding published by Pew Research ...
University of California

Election polls are 95 percent confident but only 60 percent accurate, UC Berkeley Haas study finds

How confident should you be in election polls? Not nearly as confident as the pollsters claim, according to a new UC Berkeley Haas study. Most election polls report a 95 percent confidence level. Yet ...