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Unformatted text preview: -estimate the variance the population that a sample came from SS/n-1 Mean square within groups S 2 within or M SW S 1 2 + S 2 2 + S 3 2 …/N group-estimate of the population variance based on the ‘within group’-pooled estimate of the population variance based on the samples-average the estimated variances-good estimate of population variance Mean square between groups S 2 between or M SB-direct estimate of what the population variance is-based on how spread out the groups are...
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This note was uploaded on 10/04/2011 for the course PSYC 3990 taught by Professor Vandellen during the Spring '10 term at University of Georgia Athens.
- Spring '10