The sterplot shows the temperature, in   degrees   Fahrenheit   ° F , and the distance above sea level,

Question

The sterplot shows the temperature, in &#160; degrees &#160; Fahrenheit &#160; &#176; F , and the distance above sea level, in feet, measured at 6 loions on Mount Jefferson. A line of best fit is also shown. 2,000 4,000 6,000 8,000 x 10 20 30 40 50 60 70 80 y O Distance above sea level (feet) Temperature ( The sterplot has 6 data points. The data points are in a linear pattern trending down from left to right. A line of best fit is shown: The line of best fit slants down from left to right. The line of best fit passes through the following coordinates: (0 comma 47) (4,000 comma 35) (7,000 comma 26) At a distance of 4,000 feet above sea level, what is the temperature, in &#160; &#176; F , predicted by the line of best fit?

Accepted Answer

Choice B is correct. In the given sterplot, the x -values represent the distance above sea level, in feet, and the y -values represent the temperature, in &deg; F . The point on the line of best fit with an x -value of 4,000 has a corresponding y -value of 35 . Therefore, at a distance of 4,000 feet above sea level, the temperature predicted by the line of best fit is 35 &deg; F . Choice A is incorrect. This is the temperature, in &deg; F , predicted by the line of best fit at a distance of 0 feet above sea level. Choice C is incorrect. This is the measured temperature, in &deg; F , at a distance of 6,000 feet above sea level. Choice D is incorrect and may result from conceptual or calculation errors.

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