Texas Education Agency
Texas Gateway: Predict Monohybrid Crosses
A video that reviews how traits are passed from parent to offspring by using monohybrid crosses. [7:50]
Texas Education Agency
Texas Gateway: Study Edge Statistics: Lurking and Confounding Variables
This video discusses lurking and confounding variables which may impact a statistical experiment's results. Includes downloadable study guide with exercises - guide also covers other topics. [5:18]
Texas Education Agency
Texas Gateway: Study Edge Statistics: Sampling Methods, Part 2
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...
Texas Education Agency
Texas Gateway: Study Edge Statistics: Box Plots and Comparing Distributions
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...
Texas Education Agency
Texas Gateway: Study Edge Statistics: Histograms and Comparing Distributions
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...
Texas Education Agency
Texas Gateway: Study Edge Statistics: Stemplots and Comparing Distributions
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...
Texas Education Agency
Texas Gateway: Study Edge Statistics: Dot Plots and Comparing Distributions
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...
Texas Education Agency
Texas Gateway: Study Edge Statistics: Variability in Sample Proportions, Part 1
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."...
Texas Education Agency
Texas Gateway: Study Edge Statistics: Variability in Sample Proportions, Part 2
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...
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: Hypothesis Test for One Proportion, Part 1
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]
Texas Education Agency
Texas Gateway: Study Edge Statistics: Confidence Interval for One Proportion
This lesson models how to construct and interpret a confidence interval in a problem about teens' use of Snapchat. Includes downloadable study guide with exercises - guide also covers other topics. [10:31]
Texas Education Agency
Texas Gateway: Study Edge Statistics: Steps of Hypothesis Testing
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....
Texas Education Agency
Texas Gateway: The Median Median Line and Least Absolute Value Line
This lesson explains how to use the median-median line to fit a line to data when there are outliers away from the general pattern. Includes downloadable study guide with exercises - guide also covers other topics. [18:59]
Texas Education Agency
Texas Gateway: Study Edge Statistics: Making Predictions
This lesson looks at how to use the line of best fit to make predictions about bivariate data. Includes downloadable study guide with exercises - guide also covers other topics. [8:21]
Texas Education Agency
Texas Gateway: Study Edge Statistics: Interpreting Slope and Y Intercept
This lesson explains how to interpret the slope and the y-intercept for a scatter plot. Includes downloadable study guide with exercises - guide also covers other topics. [7:39]
Texas Education Agency
Texas Gateway: Study Edge Statistics: Interpreting Confidence Intervals
This lesson demonstrates how to interpret a confidence interval once you have calculated it. Includes downloadable study guide with exercises - guide also covers other topics. [9:56]
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]
Texas Education Agency
Texas Gateway: Study Edge Statistics: Comparing Distributions
This lesson discusses how to compare distributions of categorical data using different methods of display, e.g., bar charts, pie charts, and frequeny tables. Includes downloadable study guide with exercises - guide also covers other...
Texas Education Agency
Texas Gateway: Study Edge Statistics: The Normal Distribution
This lesson discusses the normal distribution and the use of z-scores. Includes downloadable study guide with exercises - guide also covers other topics. [14:58]
Texas Education Agency
Texas Gateway: Study Edge: Factors Affecting the Width of a Confidence Interval
This lesson looks at what effects changing the standard deviation, confidence level, and/or sample size have on the width of a confidence interval. Includes downloadable study guide with exercises - guide also covers other topics. [11:26]
Texas Education Agency
Texas Gateway: Study Edge Statistics: Confidence Interval for One Mean
This lesson models how to construct and interpret a confidence interval in a problem about Instagram followers among teens. Includes downloadable study guide with exercises - guide also covers other topics. [14:30]
Texas Education Agency
Texas Gateway: Generalizability of Results and Conclusions
This video discusses how to determine whether the results of a statistical experiment can be generalized to a larger population. Includes downloadable study guide with exercises - guide also covers other topics. [5:07]
Texas Education Agency
Texas Gateway: Study Edge Statistics: Confidence Intervals in the Real World
This lesson teaches students how to identify the incorrect use of confidence intervals in a news article. Includes downloadable study guide with exercises - guide also covers other topics. [6:18]