Which of the following are true about the correlation coefficient? Select all that apply.

Question 2 options:

The correlation coefficient applies for all situations where two quantitative variables are used, regardless of the form of the relationship.

The correlation coefficient must be positive.

A correlation coefficient close to 1 would indicate a strong linear relationship.

A correlation coefficient close to 0 would indicate a strong linear relationship.

The notation for a sample correlation coefficient is r.

The correlation coefficient is not resistant to influential observations.