The following graph represents the amount of time that someone studies for their final exam, and their final examination grade      Student 1 Student 2 Student 3 Student 4 Student 5 Student 6 Hours Studied 4 7 11 8 10 8 Final Exam Grade 55% 72% 88% 93% 91% 84%     Graph the following students as ordered pairs.  Let the x-axis represent the hours studied, and the y-axis represent the students’ final exam grade.                                             Circle the value that best represents the estimate of r:  (circle one) -0.99,       -0.62,       -0.30,      0,      0.30,      0.75,     0.85,                  0.99   Use the formula to find the exact value for r.  Show all work below:

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