S1 Maths question
Just a quick one,
What are Sxx , Syy and Sxy calculating (i.e. what are they for)?
Thanks in advance
What are Sxx , Syy and Sxy calculating (i.e. what are they for)?
Thanks in advance
Original post by Bigbosshead
Just a quick one,
What are Sxx , Syy and Sxy calculating (i.e. what are they for)?
Thanks in advance
What are Sxx , Syy and Sxy calculating (i.e. what are they for)?
Thanks in advance
You tend to use this to do linear regression or finding product moment correlation coefficients (at S1 level)
Original post by Bigbosshead
Just a quick one,
What are Sxx , Syy and Sxy calculating (i.e. what are they for)?
Thanks in advance
What are Sxx , Syy and Sxy calculating (i.e. what are they for)?
Thanks in advance
They are calculating the sum of the products of a table of two numbers. Syy is the sum of all the squared y values subtract the sum of all the y values squared.
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