February, 2003
© 2000, 2001, 2003 Scott S. Emerson, M.D., Ph.D.
Effect of sampling distribution on estimates (cont.)
Sampling distribution summary measures for variance 26.02,
max N 100
True treatment
effect: Mean = 0.400
Sampling Dist Fixed
O’Brien-
Summary Measure Sample Fleming
Mean 0.400 0.380
Median 0.400 0.374
Mode 0.400 0.000
Maximal for 0.400 0.400