10.) The following data describes student's GPA vs. the grade they received in their Statistics course GPA 2.8 3.4 3.5 3.9 4.0 3.1 2.6 1.8 2.7 Grade 67 86 88 94 95 78 56 34 74 a.) Calculate r. At = 0.05, determine if there is linear correlation. State the critical value. b.) If there is linear correlation, find the regression line. If not, skip this step. c.) Maya's GPA is 3.7. Predict what score she got in her Statistics class