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 = 1.430
Sampling Dist Fixed
O’Brien-
Summary Measure Sample Fleming
Mean 1.430 1.535
Median 1.430 1.507
Mode 1.430 1.370
Maximal for 1.430 1.430