This section explores the concept of sampling variability in the sample proportion. It will address the effect on the mean and standard deviation of a sample distribution as the sampling size changes.

Standard deviation is a statistical measure of diversity or variability in a data set. A low standard deviation indicates that data points are generally close to the mean or the average value. A high standard deviation indicates greater...

Below are the heights of the players on the University of Maryland women's basketball team for the 2012-2013 season and the heights of the players on the women's field hockey team for the 2012 season. (Accessed at...

Gain an understanding of standard deviation and normal distribution by viewing an example and a video lesson.

In this inquiry, students predict the best place to stargaze in Arizona based on the brightness of the night sky. Students are introduced to the concept of light pollution and Globe at Night, a global citizen science project in which...

In this inquiry, students predict the best place to stargaze in Arizona based on the brightness of the night sky. Students are introduced to the concept of light pollution and Globe at Night, a global citizen science project in which...