The applets in this section of Statistical Java allow you to see how levels of confidence are achieved through repeated sampling. The confidence intervals are related to the probability of successes in a Binomial...

Professors of the University of Washington, Bothell Campus, have designed this course that aims to apply scientific and mathematical discovery to social science questions. Students are trained “to conduct surveys,...

Students will complete this activity in conjunction with an introductory statistics lesson about the importance of samples. Students will use the Oregon Reference Map and use the data to find basic statistics about...

Richard Lowry of Vassar College has created this page to display the sampling distribution and the standard error of the difference between two sample means. To calculate standard error, enter the standard deviation of...

This site, produced by Creative Research Systems, takes the user through the steps and decisions necessary when designing a survey. Pros and cons for each method are outlined and other issues in survey design are...