The following table shows students' test scores on the first two tests in an introductory biology class. First test, x Second test, y Biology Test Scores 48 62 57 54 50 47 75 85 86 58 45 41 44 54 54 59 41 46 65 85 78 59 44 44 Copy Data Step 2 of 2: If a student scored an 84 on his first test, make a prediction for his score on the second test. Assume the regression equation is appropriate for prediction. Round your answer to two decimal places, if necessary.