A Group of 8 Stockbrokers Were Assessed for the Worth

question 3

Multiple Choice

A group of 8 stockbrokers were assessed for the worth of their investments over the course of a year. The following year the CEO reduced the commission rate payable to stockbrokers making good investments. Once again, the value of the broker's annual investment was totalled. The data were not found to be normally distributed. Which non-parametric test should the analyst therefore use on this project?

• A) Paired t-test
• B) Mann-Whitney test
• C) Wilcoxon signed-rank test
• D) Wilcoxon rank-sum test

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Definitions:

Temporary Support

Assistance or help provided on a short-term basis to address an immediate need or crisis.

Verbal Self-warning

A cognitive strategy in which an individual internally vocalizes warnings or reminders to help avoid undesired behaviors or outcomes.

Lev Vygotsky

A prominent Russian psychologist known for his theory on social development and the concept of the Zone of Proximal Development, emphasizing the role of social interaction in cognitive development.

Behavior Control

The manipulation or guidance of an individual's actions through various techniques, such as reinforcement or punishment, to achieve desired behavior.