The scores of twelve students on the midterm exam and the final exam were as follows. $$\begin{array} { l c c }
\hline \text { Student } & \text { Midterm } & \text { Final } \
\hline \text { Navarro } & 93 & 91 \
\text { Reaves } & 89 & 85 \
\text { Hurlburt } & 71 & 73 \
\text { Knuth } & 65 & 77 \
\text { Lengyel } & 62 & 67 \
\text { Mcmeekan } & 74 & 79 \
\text { Bolker } & 77 & 65 \
\text { Ammatto } & 87 & 83 \
\text { Pothakos } & 82 & 89 \
\text { Sul1 ivan } & 81 & 71 \
\text { Wahl } & 91 & 81 \
\text { Zurfluh } & 83 & 94 \
\hline
\end{array}$$ Find the rank correlation coefficient and test the claim of no correlation between midterm score and final exam score. Use a significance level of 0.05.

Question

The scores of twelve students on the midterm exam and the final exam were as follows. $$\begin{array} { l c c } 
\hline \text { Student } & \text { Midterm } & \text { Final } \
\hline \text { Navarro } & 93 & 91 \
\text { Reaves } & 89 & 85 \
\text { Hurlburt } & 71 & 73 \
\text { Knuth } & 65 & 77 \
\text { Lengyel } & 62 & 67 \
\text { Mcmeekan } & 74 & 79 \
\text { Bolker } & 77 & 65 \
\text { Ammatto } & 87 & 83 \
\text { Pothakos } & 82 & 89 \
\text { Sul1 ivan } & 81 & 71 \
\text { Wahl } & 91 & 81 \
\text { Zurfluh } & 83 & 94 \
\hline
\end{array}$$ Find the rank correlation coefficient and test the claim of no correlation between midterm score and final exam score. Use a significance level of 0.05.

Quizplus · Accepted Answer

The Answer of The scores of twelve students on the midterm exam and the final exam were as follows. $$\begin{array} { l c c } 
\hline \text { Student } & \text { Midterm } & \text { Final } \
\hline \text { Navarro } & 93 & 91 \
\text { Reaves } & 89 & 85 \
\text { Hurlburt } & 71 & 73 \
\text { Knuth } & 65 & 77 \
\text { Lengyel } & 62 & 67 \
\text { Mcmeekan } & 74 & 79 \
\text { Bolker } & 77 & 65 \
\text { Ammatto } & 87 & 83 \
\text { Pothakos } & 82 & 89 \
\text { Sul1 ivan } & 81 & 71 \
\text { Wahl } & 91 & 81 \
\text { Zurfluh } & 83 & 94 \
\hline
\end{array}$$ Find the rank correlation coefficient and test the claim of no correlation between midterm score and final exam score. Use a significance level of 0.05.

The Scores of Twelve Students on the Midterm Exam and the Final