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:

Incur A Loss

The situation in which the costs of operating a business exceed the revenues, leading to negative profits.

ATC

Average Total Cost, which is the total cost of production divided by the quantity of output produced.

Profit-Maximizing Firm

A business entity that focuses on activities and decisions that increase its net earnings to the highest possible level.

Horizontal Axis

In a graph or chart, the x-axis, which typically represents the independent variable or time scale.