The Data Below Are the Number of Absences and the Final

Essay

The data below are the number of absences and the final grades of 9 randomly selected students from a
statistics class. Test the significance of the correlation coefficient using α $\alpha = 0.05$ and the claim ρ $\varrho = 0 .$ $$\begin{array} { l | c | c | c | c | c | c | c | c | c | } \text { Number of absences, } x & 1 & 4 & 7 & 5 & 10 & 3 & 16 & 9 & 6 \\\hline \text { Final Grade, } y & 89 & 77 & 71 & 73 & 62 & 83 & 46 & 67 & 73\end{array}$$