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In: Math

Which of the following statements about correlation are true?

4. Correlation basics 

Which of the following statements about correlation are true? Check all that apply 

  • Correlation is a numerical value between 1.1 and 2. 

  • The sign of the correlation indicates the strength or consistency of the linear relationship between two variables. 

  • A negative correlation means that two variables tend to change in opposite directions 

  • The correlation indicates the strength and the direction of the linear relationship between two variables 

  • If the correlation between two variables is 0, there is no clear linear relationship between the two variables. 

  • If the correlation between two variables is -1, it indicates a perfect negative linear relationship between the two variables. 

  • The sign of the correlation indicates the direction of the relationship between two variables.

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