February, 2003
© 2000, 2001, 2003 Scott S. Emerson, M.D., Ph.D.
Frequentist Methods 1: 69
Example
Effect of sampling distribution on estimates (cont.)
Sampling distribution summary measures for variance 26.02, max N 100
           True treatment effect: Mean = 1.430
Sampling Dist      O’Brien-
Summary Measure    Fleming    Pocock
Mean                1.535      1.593
Median              1.507      1.610
Mode                1.370      1.680
Maximal for         1.430      1.430