A Teacher Uses Two Different CAI Programs to Remediate a Randomly

question 48

Essay

A teacher uses two different CAI programs to remediate a randomly selected group of
students. Results for two independent samples on a standardized test are listed in a table
below. At the 0.05 level of significance, use the Wilcoxon rank-sum test to test the hypothesis
that the sample results are from populations with equal medians. $\quad$$\text { Program I }$ $\quad$ $\quad \mid$ $\quad$$\text { Program II }$
$\begin{array}{|cccc|cccc|}\hline 60 & 75 & 61 & 63 & 66 & 89 & 68 & 77 \\\hline 86 & 69 & 64 & 70 & 84 & 80 & 81 & 87 \\\hline 72 & 82 & 59 && 78 & 73 & 91 & 93 \\\hline & & & &94 & 95 & & \\\hline\end{array}$

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Definitions:

Safety

The condition of being protected from or unlikely to cause danger, risk, or injury.

Medium-sized Organizations

Companies or entities that fall between small and large in terms of employee count, revenue, or other metrics, usually defined by specific industry standards.

Carpal Tunnel Syndrome

A medical condition characterized by numbness, tingling, and weakness in the hand due to pressure on the median nerve in the wrist.

Occupational Diseases

Illnesses or conditions that arise as a direct consequence of exposure to risks or harmful elements inherent in specific workplaces or occupations.