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I4C

6th Grade - Random or Nonrandom

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Distinguish between a random and nonrandom sample. 0606.5.10

Links verified on 7/16/2014

  1. Non-Probability Sampling - a sampling technique where the samples are gathered in a process that does not give all the individuals in the population equal chances of being selected.
  2. 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.]
  3. Random and non-random sample selection methods - The main methods which might be used for sampling beekeepers are summarised in Table 1. Some more detail is given about each method below. In general those methods higher up in the table will cost more, but will give more reliable results, provided that a good response rate can be achieved.
  4. Sampling - explanation of several types from Wikipedia
  5. Sampling - simple animated images help explain each concept explained at this Finnish site

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