The Number of Absences and the Final Grades of 9

Essay

The number of absences and the final grades of 9 randomly selected students from a statistics class are given below. Can you conclude that there is a correlation between the final grade and the number of absences? Use α = .01. $$\begin{array} { l | c c c c c c c c c } \text { Number of Absences } & 0 & 3 & 6 & 4 & 9 & 2 & 15 & 8 & 5 \\\hline \text { Final Grade } & 98 & 86 & 80 & 82 & 71 & 92 & 55 & 76 & 82\end{array}$$