2023-11-20 09:44:35
What does 95% confidence in the poll results mean?
What does 95% confidence in the poll results mean?

There have been a lot of polls about who will win the Presidential election. I get so confused when polling results are reported. What is a 95% confidence measure? What's the margin of error? What is standard deviation? In this activity students consider the errors in choosing polling samples, find the absolute mean data difference, the standard deviation of a sample and calculate the margins of error.
Comments (0)
Display 1 - 10 Of total 0
Will the new iPhone sales be huge?
Apple just announced their new, 10th anniversary...
The Game of GO
In March 2016, Lee Se-dol, one of the world's best...
How fast can you run?
Have you heard of The Six Million Dollar Man? &n...
Big Air snowboarding
Starting February 18th a new Olympic sport will be...
John Urschel, retired Baltimore Raven and Black mathematician
John Urschel is a young man with several seeming...
How long will it take you to trick-or-treat?
It's Halloween and this is your neighborhood...
How many movies can you see in one day?
Robert Kaplinsky at robertkaplinsky.com shared thi...
How much caffeine are you consuming?
Did you know that there is an amount...
How hard it is to pick the perfect bracket? (Updated)
Updated (2026)! Games have begun and there ha...
Total solar eclipse - apparent sizes
Where will the eclipse be seen? ...