A study was conducted to determine if the number of absences is correlated to the final grade in a second year statistics course. Sample data was collected from ten random students from previous semesters.

Number of Classes MissedFinal Grade (%)

11 87

11 83

2 97

7 73

8 64

7 71

24 63

2 84

12 59

20 47

What is the correlation coefficient?____________

How would you describe the correlation between number of classes missed and final grade earned?___________

Select one:

moderate negative

weak positive

strong positive

weak negative

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? ___________