February, 2003
© 2000, 2001, 2003 Scott S. Emerson, M.D., Ph.D.
Session 1- Fixed Sample Design: 45
Statistical Hypotheses
Problem: The distribution (or summary measure) for the outcome is not directly observable
Use a sample to estimate the distribution (or summary measure) of outcomes
Such an estimate is thus subject to sampling error
·Quantify precision of estimates
·Make decisions about whether population summary measure is in some range of values
-Hypotheses