3. Show manual computation. Refer to the table below. x2 y2 Statistics (x) Calculus (y) xy 30 28 22 32 27 30 27 33 29 30 27 28 27 32 27 32 22 25 28 32 21 25 21 30 28 32 20 26 29 30 a) What is the correlation coefficient? Interpret the result. b.) What is the best fit line that best describes the above data? c.) Using the regression line at (b), what would be the score of a student in calculus if the student got 19 in statistics?

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