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seen Aug 28 at 12:48

Nov
28
awarded  Supporter
Nov
19
comment Step by step correlation calculation
@AndréNicolas You're right, in the answer to the original question I assumed that X and Y were independent. And this is why: I thougt X and Y were defined by the two tables in the begining of my original answer. If they were defined this way, they would be independent.
Nov
19
awarded  Editor
Nov
19
revised Step by step correlation calculation
Added answer to the corrected question, didn't delete the answer for the old question
Nov
19
awarded  Teacher
Nov
19
answered Step by step correlation calculation