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A Military Radar Is Measuring the Distance to a Jet

Question 50

Multiple Choice

A military radar is measuring the distance to a jet fighter. The radar has received the following measuremens:  time t (minutes)  123456 distance (miles)  280291296301308310\begin{array} { l l l l l l l } \text { time } t \text { (minutes) } & 1 & 2 & 3 & 4 & 5 & 6 \\\text { distance (miles) } & 280 & 291 & 296 & 301 & 308 & 310\end{array}
Using a least squares fit to the data, extrapolate to the nearest tenth of a minute when the jet will be 388 miles away?


A) 18.8 minutes
B) 17.7 minutes
C) 21 minutes
D) 20.2 minutes

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