A Class of 12 Statistics Students Completed the Course with the Following

question 121

Essay

A class of 12 statistics students completed the course with the following exam averages and homework averages.
$$\begin{array} { | c | c | c } \hline \text { Student } & \text { Exam Averages } & \text { Homewark Averages } \\\hline 1 & 70 & 76 \\\hline 2 & 79 & 83 \\\hline 3 & 65 & 66 \\\hline 4 & 85 & 72 \\\hline 5 & 89 & 77 \\\hline 6 & 87 & 86 \\\hline 7 & 95 & 88 \\\hline 8 & 88 & 91 \\\hline 9 & 77 & 87 \\\hline 10 & 67 & 79 \\\hline 11 & 90 & 93 \\\hline 12 & 96 & 89 \\\hline\end{array}$$ Calculate and interpret the Spearman coefficient of rank correlation and use the 0.05 level of significance in testing whether its true value could be something other than 0.

---

Definitions:

Formally Assigning

The process of officially allocating responsibilities, tasks, or resources to individuals or teams.

Effective Approach

A method or technique that has been proven to lead to the desired outcome or success in achieving specific goals.

Corrective Action

Steps taken to eliminate the causes of an existing nonconformity, defect, or other undesirable situation to prevent recurrence.

Rules and Standards

Defined as established guidelines and criteria used to manage conduct, processes, and procedures within organizations and industries.