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Questions and Answers
Which formula is used to calculate the r-squared value?
Which formula is used to calculate the r-squared value?
- Pearson correlation coefficient
- Coefficient of determination (correct)
- Mean absolute error
- Standard deviation
What is the range of possible values for r-squared?
What is the range of possible values for r-squared?
- 0 to infinity
- -1 to 1
- 0 to 1 (correct)
- 1 to infinity
What does a high r-squared value indicate?
What does a high r-squared value indicate?
- A non-linear relationship
- A strong positive linear relationship (correct)
- A strong negative linear relationship
- No linear relationship
