Correlation Coefficients Quiz

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Questions and Answers

What does a positive correlation between two variables indicate?

  • The values of both variables increase or decrease together (correct)
  • One variable increases while the other decreases
  • The relationship is non-linear
  • There is no apparent relationship between the variables

How is a negative correlation between two variables characterized?

  • The relationship is non-linear
  • One variable increases while the other decreases (correct)
  • There is no apparent relationship between the variables
  • The values of both variables increase or decrease together

What does it mean when there is no correlation between two variables?

  • There is no apparent relationship between the variables (correct)
  • The relationship is non-linear
  • The values of both variables increase or decrease together
  • One variable increases while the other decreases

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