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    With the statistics exam coming up I'm just refreshing my memory on how to use all my calculator function.

    Can anyone tell me what ŷ this button does. There is one for x as well.


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    I think it is probably y with a straight line across it. In which case it returns the mean value of y. The same is true for x.
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    (Original post by chrisbphd)
    I think it is probably y with a straight line across it. In which case it returns the mean value of y. The same is true for x.
    My calculator's got both... and I Havent got a clue what the ŷ one does
 
 
 
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