is it correct if I use Mann-Whitney U?

Posted by Omar Farook on Jan 13, 2007; 10:44am
URL: http://spssx-discussion.165.s1.nabble.com/is-it-correct-if-I-use-Mann-Whitney-U-tp1073199.html

Dear Experts,
  I have a 72 reading , the first 36 reading are from tooth one and  the rest from tooth two , the readings are from 36 patient , i.e. two readings per patient.
  The readings format are 0 , 1 , 2 , and 3 , and each value representing rang, for example , 0 representing from 0 -9.
  I want to test if there is a significant difference between the two readings of each patient.
  So by using SPSS , is it correct if I use Mann-Whitney U?
  Many thanks in advance.
  Omar.


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