Nine Students Took the SAT Test $$\alpha$$ = 005 A)4
B)-4
C)41
D)-41

question 23

Multiple Choice

Nine students took the SAT test. Their scores are listed below. Later on, they took a test preparation course and retook the SAT. Their new scores are listed below. Use the Wilcoxon signed-rank test to find the test statistic
Ws to test the claim that the test preparation had no effect on their scores. Use $$\alpha$$ = 0.05. $$\begin{array} { l c c c c c c c c c } \hline \text { Student } & 1 & 2 & 3 & 4 & 5 & 6 & 7 & 8 & 9 \\\hline \text { Before Score } &820 & 920 & 810 & 1180 & 1060 & 1100 & 990 & 850 & 1150 \\\text { After Score } & 840 & 920 & 800 & 1220 & 1090 & 1110 & 980 & 890 & 1170\end{array}$$

• A)4
• B)-4
• C)41
• D)-41

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Definitions:

Organization's Goals

The objectives or aims set by an organization to guide its operations and strategic direction.

Psychological Factors

Elements that impact an individual's mind, behavior, and emotions, influencing how they think, feel, and act.

Toxic Leaders

Toxic leaders are individuals in leadership positions who exhibit harmful behaviors towards their subordinates, negatively impacting the morale, performance, and well-being of their organization.

Fear Of Ostracism

The anxiety or worry about being excluded, rejected, or ignored by others, which can affect individual behavior and group dynamics.