isixsigma on MSN

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 ...
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

Error bars illustrate the margin of error for a survey estimate by showing how precise that estimate is. Here are some answers to common questions that might help you better understand charts with ...
The National Interest

Margin of Error: The Key to Understanding Vaccine Trials & Polling

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 ...
Pew Research Center

Why Pew Research Center will display margins of error in some graphics

A behind-the-scenes blog about research methods at Pew Research Center. For our latest findings, visit pewresearch.org. Academic survey researchers tend to differ ...