Post hoc comparisons among sample means from three or more groups are generally performed only after obtaining a significant omnibus F when we use an ANOVA. After we find the various means are not all equal, the second step is using post hoc comparisons ...

  • Loading...
locked icon

Sign in to access this content

Get a 30 day FREE TRIAL

  • Watch videos from a variety of sources bringing classroom topics to life
  • Read modern, diverse business cases
  • Explore hundreds of books and reference titles