11/7/2016

A Distribution-Free Test for a Randomized Block Design

• Model
• Hypotheses
• Freidman's Test Procedure
  • Rank the observations within block i.
  • Find the rank sum and the rank average for the jth treatment
  • Compare the rank averages to their expected value to form the Friedman test statistic
• Large sample approximation
• Ties

Exercise 12 on page 303

• See p:\data\math\hartlaub\nonparametrics\hichild.csv