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- The entire collection of individuals or
measurements about which information is desired.
- A subset of the population selected for study.
- Sample A random sample of size n from a population is
a subset of n of the elements from that population where the subset
is chosen in such a way that every possible subset of size n has the
same chance of being selected as any other.
Jan Lethen
Wed Nov 13 16:20:46 CST 1996