Use Wilcoxon's Signed-Ranks Test and a 0

question 7

Essay

Use Wilcoxon's signed-ranks test and a 0.05 significance level to test the claim that the population of of
differences between the mathematics and verbal scores has a median of zero. $$\begin{array} { l l l l l l l l l l } \text { Mathematics } & 347 & 440 & 327 & 456 & 427 & 349 & 377 & 398 & 425 \\\hline \text { Verbal } & 285 & 378 & 243 & 371 & 340 & 271 & 294 & 322 & 385\end{array}$$

Understand the mechanisms through which stereotypes affect interpersonal and intergroup interactions.

Recognize the role of system justification theory in the maintenance of social inequality.

Understand the impact of social identity on self-perception and group dynamics.

Understand the diagnostic criteria and classifications of anxiety disorders.

---

Definitions:

Information Overload

The state of being overwhelmed by too much information, making it difficult to process or make decisions.

Emotionally Charged Messages

Communications that evoke strong feelings, either positive or negative, from the receiver.

Communication Model

A framework for understanding how messages are sent, received, and processed between communicators.

Information Flows

The movement or transfer of information within an organization, which can be upward, downward, or lateral, affecting decision-making and coordination.