Used Cars
the Following Table Shows the Selling Prices and Mileages

question 35

Essay

Used cars
The following table shows the selling prices and mileages for 7 used cars of a certain model.
$$\begin{array} { | c | c | } \hline \text { Mileane } & \text { Price } \\\hline 22,600 & \$ 15,200 \\\hline 32,100 & \$ 12,500 \\\hline 43,800 & \$ 13,900 \\\hline 51,800 & \$ 9500 \\\hline 59,400 & \$ 11,600 \\\hline 65,500 & \$ 11,700 \\\hline 74,700 & \$ 8900 \\\hline\end{array}$$
-Find the least-squares regression line.

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Definitions:

Flexion

A movement that decreases the angle between two body parts, such as bending a limb at a joint.

Extension

The act of increasing the length, duration, or scope of something beyond the original limit.

Pronation

The inward roll of the foot during normal motion, or the rotational movement of the forearm that turns the palm downward.

Supination

The outward rotation of the forearm or foot, such that the palm or sole faces upwards or forwards.