Texas Gateway: Study Edge Statistics: Lurking and Confounding Variables

This lesson models how to solve problems involving samples of populations and the variability in the results of a statistical study. Provides a link to an interactive web app called "Sampling Distribution of the Sample Proportion."...

This video discusses different types of random sampling methods used in various statistical studies, including simple, stratified, and cluster random sampling. A downloadable study guide with exercises is provided as well - guide also...

Explains the features of box plots and the statistical vocabulary that is used when describing them. Also models how to compare and contrast distributions. Includes downloadable study guide with exercises - guide also covers other...

Explains the features of stemplots, or stem-and-leaf plots, and the statistical vocabulary that is used when describing them. Also models how to compare and contrast distributions. Includes downloadable study guide with exercises - guide...

This lesson explains the process for doing a hypothesis test about an unknown population parameter by examining required conditions and assumptions, calculating the test statistics, finding the p-value, and stating the conclusion....

Explains the features of histograms, when they are useful, and the statistical vocabulary that is used when describing them. Also models how to compare and contrast distributions. Includes downloadable study guide with exercises - guide...

Explains the features of dot plots, when they are used, and the statistical vocabulary that is used when describing them. Also models how to compare and contrast distributions. Includes downloadable study guide with exercises - guide...

This lesson continues an exploration of variability in sample proportions that was begun in the Part 1 video, extending the ideas. About four minutes in, it provides a link to an interactive web app called "Sampling Distribution of the...

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...

This lesson looks at a hypothesis test for one proportion in a problem about Snapchat use among teenagers. Includes downloadable study guide with exercises - guide also covers other topics. [11:34]