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Author Question: The regression line y = 3 + 2x has been fitted to the data points (4,8), (2,5), and (1,2). The ... (Read 40 times)

ARLKQ

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  • Posts: 571
on: Jun 24, 2018
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

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  • Posts: 310
Reply #1 on: Jun 24, 2018
Answer to Question 1

D

Answer to Question 2

B


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