Suppose that the regression line for a set of data, ý = 7x + b, passes through the point (-2, 4). If x and ỹ are the sample means of the x- and y-values, respectively, then = O x + 2 O x-4 O 7x + 18 O 7%

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A: Here I am attaching image so that you understand each and every step.

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A: It's trigonometric question so I'm providing hand written solution for better understanding.

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