- Random samples eliminate bias – but not variability.
- If the variation when we take repeat samples from the same populations is too great,
we can’t trust the results of any one sample.
- But, taking many repeat samples, the variation from sample to sample will follow a
predictable pattern.
Dr. Christina Hayes
Wilson 2-263
Department of Mathematical Sciences
Montana State University
Bozeman, MT 59717
phone: 406-994-6557
fax: 406-994-1789
christina.hayes@montana.edu
(Email will likely reach me faster than a phone call)