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
One harrowing adventure
Can you imagine being stuck in the...
Parabolic Pee
Mr. Mark's new little baby can make some amazing...
Flag Art
A little ratio art might be a fun way to get r...
Bears Ears revisited
There is some beautiful land in Utah that was ...
Happy 14th B'ak'tun!
Luckily, we’ve passed 12/21/2012 and the...
How much should the 40-oz size cost?
We found this chalkboard menu a...
How should I spend my rewards?
There's a new way to earn rewards at many groc...
Fidget spinners - fad or lasting trend?
Do you recognize what these are? Are you...
Oil Spill Tragedy
As of May 28th, 2010 it is believed that t...
Hurricanes again
Updated
In this updated hurricane act...