how to compare the data

[赵玉芳]

Hello,
      I have a problem.I collected some data with Likert 4 point scale,and there also 
some data about the same questionnaire but collected with likert 5 point scale and 
there have no orignal data yet,I only can see the Mean and SD  . Now how to compare 
them?
   e.g.   my data's Mean and SD are   24.37   5.64  
          the  correspondence data's Mean and SD are  26.37   12.68   


  Is there some one would like to tell me how to compare the data.

Thanks.
               [EMAIL PROTECTED]
                                        2002-12-18 



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