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Unformatted text preview: 4. An independent-measures research study includes the following two samples: Sample 1: n = 20, SS = 128, M = 20 Sample 2: n = 20, SS = 100, M = 10 Then the value of the pooled variance, estimated standard error, and t statistic are __________. 2 5. An independent-measures experiment uses one sample with n = 110 and a second sample with n = 220 to compare two experimental treatments. The t statistic from this experiment will have degrees of freedom equal to __________. 6. What is the value of M D for the following set of difference scores? Scores: 40, –70, 70, –30, –30 ____________________________________ 7. What is the value of the estimated standard error for the following set of D-scores? Scores: 50, 90, 50, 50 ____________________________________ 8. For a single sample of n = 20, what values of t would be used to construct an 80% confidence interval? ____________________________________...
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This note was uploaded on 04/20/2011 for the course PSY 207 taught by Professor Pfordesher during the Spring '07 term at SUNY Buffalo.
- Spring '07