CK-12 Foundation
Ck 12: Algebra Ii: 5.7 Margin of Error
This section introduces the concept of Margin of Error. Explore how results from surveys are most accurate within a range of values, and use this concept to make inferences about the preferences of a full population, given data from a...
Math Is Fun
Math Is Fun: Showing the Results of a Survey
A variety of ways to display the results of a survey are listed, including tables, statistics and different types of graphs.