February, 2003
© 2000, 2001  Scott S. Emerson, M.D., Ph.D.
Session 2: 70
Boundary Scales
Choices for test statistic Tn 
All of those choices for test statistics can be shown to be transformations of each other
Hence, a stopping rule for one test statistic is easily transformed to a stopping rule for a different test statistic
We regard these statistics as representing different scales for expressing the boundaries