The equations of 2 regression lines are
8x - 10y + 66 = 0 , 40x - 18y - 214 = 0
Obtain the standard deviation of Y is standard deviation of X is 3
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Your 2 equations need to be put in the form as this form helps us identify parameters like the standard deviation and the mean.
Note that for
so do you have any additional information?
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