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
Games with dice
Time to let students become naturally curiou...
How long will it take you to trick-or-treat?
It's Halloween and this is your neighborhood...
A Glass of Sweat
What is this machine for?
...
Pick-a-brick wall at the Lego store
There are walls at the Lego stores t...
How many hot chocolate scoops do I need?
Even though it is now Spring, here in New Englan...
How many athletes brought home no medal?
There must be a lot of Olympians...
Typical Super Bowl scores
Updated for 2023!
In this activi...
Curling
Friction, score-keeping, trajector...
How did they figure these tips?
Act I: This restaurant bill ha...
Big bucks 2023
Updated!
When soccer great, Lionel Messi play...