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
Black Friday
Black Friday is the biggest shopping day of ...
Winter Solstice 2023
It is really dark out now. Why is that? Stud...
April Fool's Day fun
This day is known for pranks and puzzles.
...
The Moroccan Earthquake and the Richter scale
Friday evening, September 8th, a powerfu...
How much does a Lego cost?
This is a three act task, with an activity guide...
Coronavirus trends
Johns Hopkins University of Medicine has a team ...
New Pirates of the Caribbean (2017) - How profitable?
The fifth Pirates of the Caribbean movie opened ...
Mixing colors with food dye
It's time to dye eggs!
...
The Forever Roll
That's a big roll of toilet paper! &...
The new R-naught number
There's a number used to quantify how fast a...