Question: The number of absences, x, in a Biostatistics course and the final exam grade, y, for seven students. x- 19 = 565 xx-1380 ,

The number of absences, x, in a Biostatistics course and the final

The number of absences, x, in a Biostatistics course and the final exam grade, y, for seven students. x- 19 = 565 xx-1380 , x2- 75 , y2- 46775 (a) What is the dependent variable? (b) Compute the correlation coefficient? Interpret it in words. (c) Find the simple linear regression equation. (d) Find the coefficient of determination (R- square). Explain what it represents? (e) What is the expected value of the final exam if the numbers number of absences is two?

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