Willow Tree
Data Sampling
Some say that you can make statistics say whatever you want. It is important for learners to recognize these biases. Pupils learn about sample bias and the different types of samples.
School District of Palm Beach County
Timelines
What do BC and AD mean on a timeline? What is the difference between a decade and a century? Here is a nice handout that offers all the foundational knowledge your young historians will need on how to look at historical timelines.
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.
University of Georgia
University of Georgia: Inter Math: Sample
This site gives a description of a sample (of a population). The page offers information on various types of sampling. There are links to related terms, everyday examples, more information, and the interactive check point involving...