Khan Academy
Khan Academy: Interpreting Confidence Levels and Confidence Intervals
When we create a confidence interval, it's important to be able to interpret the meaning of the confidence level we used and the interval that was obtained.
CK-12 Foundation
Ck 12: Statistics: Confidence Intervals
[Free Registration/Login may be required to access all resource tools.] This Concept introduces students to using and interpreting confidence intervals.
Khan Academy
Khan Academy: Interpreting a Confidence Interval for a Mean
After we build a confidence interval for a mean, it's important to be able to interpret what the interval tells us about the population and what it doesn't tell us.
Khan Academy
Khan Academy: Interpreting a Z Interval for a Proportion
Once we build a confidence interval for a proportion, it's important to be able to interpret what the interval tells us about the population, and what it doesn't tell us. Let's look at few examples that demonstrate how to interpret a...
Texas Education Agency
Texas Gateway: A Single Population Mean Using the Normal Distribution
This lesson explains how to calculate and interpret the confidence interval for a population mean. It also looks at the effect on the confidence interval of changing the confidence level or sample size. It then explains how to find the...
Brown University
Brown University: Seeing Theory
This resource provides interactive visualizations of probability concepts. Covers basic probability, compound probability, probability distributions, frequentist inference, Bayesian inference, and regression analysis. The authors are...
University of Colorado
University of Colorado: Error, Accuracy, and Precision Exam
A university exam on the topics of error, accuracy, and precision. Includes essay, short answer, and multiple-choice. Links to lecture and discussion notes. Answers to short essay and multiple-choice are provided.
NC State University
Nc State University: Multiple Regression
Excellent, comprehensive site on multiple regression. Key terms are defined and explained as needed. Links to relevant topics are provided.
Other
Journal of Statistics Education: A Sample / Population Size Activity
The author of the article admits having had a difficult time in the past when getting students to understand that samples need to contain a substantial portion of the population. Here, an activity is detailed to bring this important fact...