Friday, August 1, 2008

II.C.2. Hypothesis Testing II: Two Independent Sample Means

Below are some links that may help you better understand this topic:

Performing two independent samples t-test


It's important to remember that two independent samples t-test has assumptions that we might be violating. Visit Northwestern University Medical School's StatGuide and find out:
  • ways to check if your data violated two independent samples t-test assumptions
  • ways to examine two independent samples t-test results to detect assumption violations
  • alternatives if assumptions were violated

Below is a ppt presentation from the publishers of our book:



Click HERE if you wish to view the slides with notes (in pdf format).

Review the lesson using the the following materials from Wadsworth Cengage:

Sample studies that made use of two independent samples t-test