Answer:
D. Undefined
Step-by-step explanation:
The slope is the ratio of rise to run. When the line is vertical, the run is zero, so calculating the slope involves division by zero. That makes the slope be <em>undefined</em>.
Answer:
n=4
Step-by-step explanation:
=n
Answer:
B) No, the equation is not a good fit because the residuals are all far from zero.
Step-by-step explanation:
If you add the residuals, you get -60, which is small compared to the scale, but is still far from zero.