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
How can Nike give away so much great stuff?
Worldwide Nike supports many teams and athlete...
BP and the stock market updated
Free Stock photos by Vecteezy
The...
What me? Irrational?
We've found that some students believe that ...
Fantastic Beasts - What did it cost to make?
In 2001, J.K.Rowling (the author of the Harry ...
Giant iceberg
Ferryland, Newfoundland. JODY MARTIN / REUT...
Typhoon Rasaga
What is a typhoon, and how are they measured? In t...
Measuring sea level
What does this gizmo do?
...
Who's going back to school?
Students look at the past and present populati...
The Game of Go
March 9th was the first round...
Chicken to share
How many pieces does each person get when $10 is...