A researcher conducted a study to assess the relationship between involvement in extracurricular activities and GPA. The researcher found that the correlation between the number of hours spent in extracurricular activities and GPA was -0.14.

a) Interpret the given value of the correlation coefficient.

b) The study also investigated the relationship between the number of hours worked and GPA. They found that the direction of the relationship to be the same, but stronger, than the previous result (between extracurricular activities and GPA). Which of the following values could have been the correlation between the number of hours worked and GPA? Explain how you got your answers

1. r = -0.30
2. r = -0.10
3. r = 0.10
4. r = 0.30