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Problem-Solving and Data Analysis / Two-variable data: Models and scatterplots Difficulty: Medium

The scatterplot shows the relationship between two variables, $x$ and $y$ . A line of best fit for the data is also shown.

At $x equals 25.5$ , which of the following is closest to the y-value predicted by the line of best fit?

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Explanation

Choice C is correct. On the line of best fit, an x-value of $25.5$ corresponds to a y-value between $8$ and $8.5$ . Therefore, at $x equals 25.5$ , $8.2$ is closest to the y-value predicted by the line of best fit.

Choice A is incorrect and may result from conceptual errors.

Choice B is incorrect and may result from conceptual errors.

Choice D is incorrect and may result from conceptual errors.