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Eyeballing the line of best fit

Problem

Which line fits the data graphed below?
Choose 1 answer:
A scatterplot on the x y axis where x and y scale by 1. Points rise diagonally in a narrow scatter between (0, 1) and (9, 9). A line labeled A is constant and horizontal extending from (0, 7) through (10, 7). A line labeled B increases diagonally extending from (0, 1) through (9, 9). A line labeled C decreases diagonally extending from (0, 8) through (4, 2). All values are estimated.
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Stuck?