Texas Education Agency
Texas Gateway: Study Edge Statistics: Variability in Sample Means
This lesson investigates the variability in the sampling distribution of the sample mean for a population. Provides a link to an interactive web app for looking at a continuous population distribution. Includes downloadable study guide...
Texas Education Agency
Texas Gateway: Study Edge Statistics: Measuring Spread of a Distribution
This lesson looks at the different measures of center and variability that are used when analyzing the spread of data in a distribution. Includes downloadable study guide with exercises - guide also covers other topics. [17:21]
Math Mammoth
Math Mammoth: Understanding Statistical Variability and Distributions
This lesson explains what a statistical question is and how to describe the distribution of data by its center, spread, and shape. [7:08]