Teacher
a Statistics Teacher Collected the Following Data to Determine

Teacher
A statistics teacher collected the following data to determine if the number of hours a student studied during the semester could be used to predict the final grade for the course.
$$\begin{array} { | c | c | c | } \hline \text { Student } & \text { Hours Studyine } & \text { Final Grade } \\\hline 1 & 42 & 92 \\\hline 2 & 58 & 95 \\\hline 3 & 32 & 81 \\\hline 4 & 39 & 78 \\\hline 5 & 37 & 75 \\\hline 6 & 51 & 88 \\\hline 7 & 49 & 85 \\\hline 8 & 45 & 85 \\\end{array}$$
-In testing the hypotheses $H _ { 0 } : \beta _ { 1 } = 0$ vs. $\mathrm { H } _ { 1 } : \beta _ { 1 } \neq 0$ ,what is the value of the test statistic?