Exhibit 20

question 28

Multiple Choice

Exhibit 20.4.Investment institutions usually have funds with different risk vs.reward prospectuses.A trading magazine wants to determine if the returns of high risk funds is greater than low risk funds.The magazine records the return of high and low risk funds for a sample of 22 institutions.For the Wilcoxon signed-rank test,where D = high risk return - low risk return,the value of the test statistic is . Refer to Exhibit 20.4.Assuming that T follows a normal distribution,the value of the test statistic is

• A)0.062
• B)-1.899
• C)185
• D)1.899

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Definitions:

Paranoia

A mental condition characterized by delusions of persecution, unwarranted jealousy, or exaggerated self-importance, typically elaborated into an organized system.

Poverty

A condition where individuals or communities lack the financial resources to meet basic living needs.

Concrete Thinking

A style of thinking that is focused on literal and factual aspects of objects or situations, lacking the ability to think abstractly.

Psychoeducational Sessions

Therapeutic meetings focused on educating individuals about their psychological conditions and ways to manage them effectively.