Chapter 25. Comparing Two Sample Means and Testing a Hypothesis

  1. Joseph Schulman M.D., M.S.

Published Online: 11 JAN 2008

DOI: 10.1002/9780470757451.ch25

Managing Your Patients' Data in the Neonatal and Pediatric ICU: An Introduction to Databases and Statistical Analysis

Managing Your Patients' Data in the Neonatal and Pediatric ICU: An Introduction to Databases and Statistical Analysis

How to Cite

Schulman, J. (2006) Comparing Two Sample Means and Testing a Hypothesis, in Managing Your Patients' Data in the Neonatal and Pediatric ICU: An Introduction to Databases and Statistical Analysis, Blackwell Publishing Ltd, Oxford, UK. doi: 10.1002/9780470757451.ch25

Author Information

  1. Division of Newborn Medicine, Weill Medical College of Cornell University, New York-Presbyterian Hospital, New York, New York, 10021

Publication History

  1. Published Online: 11 JAN 2008
  2. Published Print: 1 JAN 2006

ISBN Information

Print ISBN: 9780727918703

Online ISBN: 9780470757451

SEARCH

Keywords:

  • testing;
  • comparison;
  • control studies;
  • difference;
  • statistics

Summary

The prelims comprise:

  • Overview

  • H0 and HA

  • Testing a null hypothesis

  • Test statistics and testing a hypothesis

  • The t test

  • Explore some of these ideas using Stata

  • Confidence intervals aid evaluating group differences and statistical significance