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
Rescue of the Chilean miners - The 33
On August 5, 2010, the San Jose copper-gold mine n...
California water measurements - chains, links, and furlongs
Help your students understand what they are ...
Barcodes and QR codes
In this updated activi...
Pixar versus DreamWorks (2016 )
This activity has been updated – please see:...
More eruptions on Hawai'i's Kilauea
The Volcano Kilauea is continuing to spew ...
I need help raking my leaves
Brian has spent too much time thinking about his l...
How much does the biggest Lego set ever cost?
Picture from...
Willy Makeit or Betty Wont
I have to go to the bathroom pretty badly....
Radiation amounts
This investigation will help you and your studen...
Just ONE hot dog
A newly released nutritional and environment...