A faculty from the Mathematics Department wants to determine whether students aptitude test scores predict their performance in statistics course. He randomly selected 10 students and recorded their aptitude test scores and final grade. Performance (Grade) in Aptitude Test Scores Statistics 95 90 87 85 90 88 78 75 83 80 90 80 88 90 75 60 93 90 77 78 • What is the correlation value of the 2 variables: • What linear regression equation best predicts performance in statistics, based on aptitude test scores? (e Y- 2.98 +024X)

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A: y = 67.91+6.29x s = σ^ = 6.0862 ∑(x-x¯)2 = SSXX = 161.60 n = 10 X0 = 13 α=0.10

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