A Trading Magazine Wants to Determine the Number of Hours

question 94

Multiple Choice

A trading magazine wants to determine the number of hours stockbrokers work each week.In particular,the trading magazine wants to determine if the median number of hours worked per week differs from 100 hours.The magazine samples 18 traders.For the Wilcoxon signed-rank test,the value of the test statistic is T = T⁺ = 153.Using the p-value approach and α = 0.01,the appropriate conclusion is _____________________________________.

• A) reject the null hypothesis;conclude the median number of hours worked per week differs from 100
• B) reject the null hypothesis;we cannot conclude the median number of hours worked per week differs from 100
• C) do not reject the null hypothesis;we conclude the median number of hours worked per week differs from 100
• D) do not reject the null hypothesis;we cannot conclude the median number of hours worked per week differs from 100

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Definitions:

Disillusion Stage

A phase during which an individual's initial optimism and expectations are replaced by disenchantment and a more realistic understanding of a situation.

Diminishing Cohesiveness

The gradual weakening or loss of unity and solidarity within a group, team, or organization, which can affect its stability and performance.

Group Development Process

A model that describes the phases groups typically go through, from forming to performing, including storming and norming stages.

Emotionalism

A philosophical approach that emphasizes the role of emotion in human experience and decision-making, often in contrast to rationalism.