1. 

   Viki2010 Member

   The fifth bullet point in acted materials is 2 big formulae. What does this mean?

    

   Viki2010, Jan 25, 2018

   #1
2. 

   Simon James ActEd Tutor Staff Member

   Page 16?
   It's showing the relationship between Kendall's tau and Spearman's rho - if you know one then you have an idea what the other one is.

    

   Simon James, Jan 26, 2018

   #2
3. 

   Viki2010 Member

   Simon, thanks for your quick reply. Yes, this is found on page 16. The Kendall's Tau and Spearman's Rho are both rank correlations. What is the added value (or the point of) knowing how they relate to each other?

    

   Viki2010, Jan 26, 2018

   #3
4. 

   Simon James ActEd Tutor Staff Member

   It might be that one or the other is easier to calculate and so it gives you an idea about the other?

    

   Simon James, Jan 26, 2018

   #4
5. 

   Viki2010 Member

   Thank you.

    

   Last edited by a moderator: Jan 27, 2018

   Viki2010, Jan 26, 2018

   #5

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