McGraw Hill
Glencoe: Self Check Quizzes 1 Mean
Use Glencoe's randomly generated self-checking quiz to test your knowledge of finding the mean for a data set. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of the page click the...
University of Glasgow
Steps Statistics Glossary: Expected Value
Site defines statistical expected value as the population mean and discusses it's usefulness as a summary value of a variable's distribution. The formula for calculating expected value is provided, as is an example.