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:

Punishment

Discourages a behaviour by making an unpleasant consequence contingent on its occurrence.

Participation

The involvement or engagement of individuals or groups in decision-making or activities that affect them.

Goal-Setting Theory

A psychological theory proposing that establishing specific, challenging, and achievable goals enhances motivation and performance in individuals and groups.