Exercise 22. In the lecture notes we use a regression line of the form y = a + 3x to predict y from x. Instead, we could have used x = y + dy to predict æ from y. Is this the same model in a different form, or a different model?

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Exercise 22. In the lecture notes we use a regression line of the form y = a + 3x to predict y
from x. Instead, we could have used x = y + 8y to predict x from y. Is this the same model in a
different form, or a different model?
Transcribed Image Text:Exercise 22. In the lecture notes we use a regression line of the form y = a + 3x to predict y from x. Instead, we could have used x = y + 8y to predict x from y. Is this the same model in a different form, or a different model?
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