The best fitting line is that regression line that a. ...

[Wadzanai]

The best fitting line is that regression line that
 
  a. minimizes the errors of prediction.
  b. minimizes each squared error of prediction.
  c. minimizes the sum of squared errors of prediction.
  d. hits the most points as it goes through the scatterplot.

Question 2

The notation is used instead of Y
 
  a. to indicate that the answer is only approximate.
  b. to indicate that we have an equation for a straight line.
  c. to indicate that the result is a prediction.
  d. because this is a mathematical equation.

[Ptupou85]

Answer to Question 1

C

Answer to Question 2

C

[Wadzanai]

Excellent

[chereeb]

TYSM