A Researcher Wants to Determine the Efficacy of a Training

question 93

Multiple Choice

A researcher wants to determine the efficacy of a training program directed at improving concentration,focus,and memory on college students.She selects a random sample of 16 individuals and have them take an assessment initial test before the training program,then the individuals complete the training program,and at the end they take a final test that's comparable to the initial test.The results are shown in the following table: The analyst uses a Wilcoxon matched-pairs signed rank test with a 0.05 significance level.The test statistic T₋ = ______.

• A) 140
• B) 142
• C) 148
• D) 150
• E) 152

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Definitions:

Married People

Married people are individuals who are legally joined in marriage, forming a recognized partnership in personal, social, and legal aspects.

Happy Life

A state of being characterized by feelings of joy, satisfaction, and fulfillment.

Husbands

Men who are married, often involved in a conjugal relationship with their wives, and traditionally associated with roles of provider, protector, or partner.

Wives Earn More

Refers to scenarios in which wives generate a higher income than their husbands in a marriage.