The regression line y = 3 + 2x has been fitted to the data points ...

[ARLKQ]

The regression line y = 3 + 2x has been fitted to the data points (4,8), (2,5), and (1,2). The residual sum of squares will be:
 a. 10.
  b. 15.
  c. 13.
  d. 22.

Question 2

In a regression problem, if the coefficient of determination is 0.90, this means that:
 a. 90 of the y values are positive.
  b. 90 of the variation in y can be explained by the regression line
  c. 90 of the x values are equal.
  d. 90 of the variation in x can be explained by regression line.

[randomguy133]

Answer to Question 1

D

Answer to Question 2

B