The final exam for statistics is fast approaching. Sample data was collected from ten random students from previous semesters.

Time Studied (hrs) Final Grade (%)

4 85

20 89

0 42

11 71

12 31

17 68

6 69

17 79

9 52

13 81

What is the correlation coefficient?__________

How would you describe the correlation between time studied and final grade earned?___________

select one:

weak positive

strong negative

weak negative

strong positive

Find the regression equation for the sample data.

What is the numerical value of 'a' if the equation is in the form y = a + bx?___________

What is the numerical value of 'b' if the equation is in the form y = a + bx?___________