Houghton Mifflin Harcourt
Holt, Rinehart and Winston: Homework Help Independent Practice: Samples and Surveys
Get independent practice working with samples and surveys. Each incorrect response gets a text box explanation and another try. Correct responses are confirmed.
Mangahigh
Mangahigh: Data: Random and Biased Events
Students explore the concept of random and biased events by working through an online tutorial and then attempting a ten question quiz that increases in difficulty as questions are answered correctly.
Sophia Learning
Sophia: Biased Sampling Methods
Discover the types of sampling methods and explore what biased sampling is. Take a quiz to assess knowledge.
Annenberg Foundation
Annenberg Learner: Sampling the Electorate
As the pollster for candidate Higgins, you need to know how she is faring with different groups. Read her political profile, view the demographic profile of the city, decide on the groups to poll, review the results and learn about...
Sophia Learning
Sophia: Biased Sampling Methods
Determine what a biased sample is and the types of sampling methods used. Complete the quiz to assess learning.
CK-12 Foundation
Ck 12: Statistics: Sampling and Bias
[Free Registration/Login may be required to access all resource tools.] This concept introduces to students to the difference between a census and a sample, and how to identify sampling error and bias.
University of Regina (Canada)
University of Regina: Math Central: Bias or No Bias?
Students analyze the types of biases in surveys and how they affect the outcomes. A downloadable version of the activity and a survey activity are included. This lesson is from a group of lessons that uses "Census at School" data.
Rice University
Hyper Stat Online Statistics Textbook: Biased Sample
This site provides a definition for what biased sampling is and gives an example of a situation in which biased sampling may occur.