A Trading Magazine Wants to Determine the Number of Hours

question 17

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 numbers 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.Inasmuch as the sample size is more than 10,T can be assumed normally distributed with mean and standard deviation ___________,respectively.

• A) 85.50,527.25
• B) 22.96,527.25
• C) 22.96,85.50
• D) 85.50,22.96

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Definitions:

New Products

Innovations or improvements in goods and services that companies introduce to the market, aiming to fulfill consumer needs or open new markets.

Existing Core

The foundational or currently established elements within an organization or system that form its central functions or operations.

Self-directed Work Teams

Teams composed of members who work together on a task with minimal direct supervision, managing their own processes and tasks.

Firm Performance

A measure of how well a company is achieving its financial and operational goals, often assessed through metrics like profitability, revenue growth, and market share.