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Author Question: Given the least squares regression line = -4.63 + 1.38x, and a coefficient of determination of ... (Read 139 times)

humphriesbr@me.com

  • Hero Member
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  • Posts: 550
on: Jul 24, 2018
Given the least squares regression line = -4.63 + 1.38x, and a coefficient of determination of 0.9025, the correlation coefficient must be:
 a. -0.95
  b. +0.95
  c. +1.38
  d. -0.81
  e. 0.81

Question 2

The following are coefficients of correlation (r). The one that indicates a strong positive linear relationship between the two variables of interest is:
 a. 0.8
  b. -0.9
  c. 0.9
  d. -1.3
  e. -1


mcarey591

  • Sr. Member
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  • Posts: 365
Reply #1 on: Jul 24, 2018
Answer to Question 1

B

Answer to Question 2

C


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