- #1
songoku
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- Let say I have 10 bivariate data (x and y) where x is the independent variable and x is the dependent variable.
I want to estimate the value of x from a certain given value of y. Which regression line should I use, regression line y on x or regression line x on y?
I have note that states regression line x on y is used when we want to calculate x for given y but in this case y is dependent variable. I am pretty sure I can use either line if the value of product moment correlation coefficient (r) is close to 1 but for the case, let say r = 0.6, can we use regression line x on y even though y is dependent variable? Or should we use regression line y on x to calculate the value of x?
Thanks
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