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T O P I C R E V I E W
mannwhitney
Posted - 08/08/2009 : 11:31:51 PM Hello! I am wondering what " grouping range should have exactly two levels" means? I am trying to perform a MW test and i have my data but nothing i change in the window will let me click ok.
Hello! I am wondering what " grouping range should have exactly two levels" means? I am trying to perform a MW test and i have my data but nothing i change in the window will let me click ok.