A least squares regression line may be used to predict a value of y if the corre

Question

A least squares regression line

may be used to predict a value of y if the corresponding x value is given

implies a cause-effect relationship between x and y

can only be determined if a good linear relationship exists between x and y

All of these answers are correct.

may be used to predict a value of y if the corresponding x value is given

implies a cause-effect relationship between x and y

can only be determined if a good linear relationship exists between x and y

All of these answers are correct.

Explanation / Answer

only a is correct

it does not imply causality.

it can be determined with maths without relationship

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