Podcast
Play an AI-generated podcast conversation about this lesson
Questions and Answers
What does the correlation coefficient (r) measure?
What does the correlation coefficient (r) measure?
- The individual differences across many attempts
- The uncertainty describing what will happen
- The amount of common information shared between two variables
- The strength and direction of a linear relationship between two variables (correct)
What does the coefficient of determination (r^2) indicate?
What does the coefficient of determination (r^2) indicate?
- The individual differences across many attempts
- The amount of common information shared between two variables
- The uncertainty describing what will happen
- The proportion of the variance in one variable that is predictable from the other variable (correct)
What does a positive correlation coefficient (r) signify?
What does a positive correlation coefficient (r) signify?
- A direct relationship where both variables increase or decrease together (correct)
- A perfect correlation between the variables
- No relationship between the variables
- A negative relationship where one variable increases as the other decreases
What does a negative correlation coefficient (r) indicate?
What does a negative correlation coefficient (r) indicate?
Signup and view all the answers
What is the coefficient of determination (r^2) used for?
What is the coefficient of determination (r^2) used for?
Signup and view all the answers
