Question the-st
The sterplot shows the temperature, , and the distance above sea level, in feet, measured at loions on Mount Jefferson. A line of best fit is also shown.
- 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 feet above sea level, what is the temperature, , predicted by the line of best fit?
The sterplot shows the temperature, in   degrees   Fahrenheit   ° F , and the
Easy-difficulty · SAT Math · Two-Variable Data & Models — Using models for prediction. Read the question above, select your answer, and check the full explanation below to understand exactly why the correct choice works.
Answer explanation
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 . The point on the line of best fit with an x-value of has a corresponding y-value of . Therefore, at a distance of feet above sea level, the temperature predicted by the line of best fit is .
Choice A is incorrect. This is the temperature, in , predicted by the line of best fit at a distance of feet above sea level.
Choice C is incorrect. This is the measured temperature, in , at a distance of feet above sea level.
Choice D is incorrect and may result from conceptual or calculation errors.
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