Distinguish between a random and nonrandom sample. 0606.5.10

Links verified on 1/03/2010

1. Non-Random Sampling - explanation and an example from the Australian Bureau of Statistics [This expired page is brought to you by the Internet archive, the Wayback Machine.]
2. Random - Discover that randomness is a process in which the outcomes of an experiment all have the same chance of happening. Work through the lesson, experiment with the interactive figure and then answer five questions. [caution: do not submit until you have selected answers to all of the questions] and
3. Sampling - explanation of several types from Wikipedia
4. Sampling - simple animated images help explain each concept explained at this Finnish site