Mathematics · Statistics
Consider the following statements regarding linear regression analysis: 1. If there is a perfect correlation between two variables, the two regression lines coincide with each other. 2. If there is no perfect correlation between two variables, the two regression lines intersect each other. 3. The point of intersection of the two regression lines represents the means of the two variables ($μ_x, μ_y$). 4. If there is zero correlation between two variables, the two regression lines intersect each other at a right angle (perpendicularly). Select the correct answer from the codes given below.
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