Treat the data as ordered pairs. From the table, write the average distance as x - coordinate and the average temperatures as y - coordinate.
\From the table, the two points are .
Substitute the values of in the slope formula
.
.
To write the line equation, we can use either of the two given points.
\Consider the point .
Substitute in point-slope form equation or
.
Apply distributive property: .
Subtract 166 from each side.
\The line equation is .
Substitute the value of in the above equation.
Add 132.134 to each side.
\.
The sample answer .