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Author Question: If the coefficient of correlation r = 0, then: a. the slope of the regression line is zero. b. ... (Read 115 times)

Frost2351

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on: Jun 24, 2018
If the coefficient of correlation r = 0, then:
 a. the slope of the regression line is zero.
  b. there is no linear relationship whatsoever between the dependent variable y and the independent variable x.
  c. the coefficient of determination is zero.
  d. All of these are correct.
  e. None of these is correct.

Question 2

The coefficient of correlation r is a number that indicates the:
 a. direction of the relationship between the dependent variable y and the independent variable x.
  b. strength of the relationship between the dependent variable y and the independent variable x.
  c. proportion of the variation in the dependent variable y that is explained by the independent variable x.
  d. Only A and B are correct.
  e. A, B, and C are all correct.


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IRincones

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

D

Answer to Question 2

D


Frost2351

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Reply #2 on: Jun 24, 2018
Thank you


IRincones

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Reply #3 on: Jun 24, 2018
No problemo


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