An E-Business/e-Commerce Information Technology Consulting Company Wants to Compare the Effectiveness

question 22

Multiple Choice

An e-business/e-commerce information technology consulting company wants to compare the effectiveness of three programming languages that its programmers use.Currently each programming language is used by approximately 1/3 of the programmers employed by the company.The director of the programming division randomly selected 5 programmers from the users of each of the three programming languages and assigned the same simple programming task to each programmer.It is known that all three populations have highly skewed distributions with extreme outliers.Which one of the following nonparametric tests is appropriate for this problem?

• A)Wilcoxon signed rank test
• B)Wilcoxon rank sum test
• C)Sign test
• D)Kruskall-Wallis test
• E)Spearman's rank correlation test

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Definitions:

PR Plans

Strategic documents prepared by public relations professionals to outline objectives, tactics, and activities for managing an organization's public image and communications.

Time Consuming

Activities or tasks that require a considerable or excessive amount of time to complete.

Situation Analysis

An evaluation process that identifies an organization's internal strengths and weaknesses, along with external opportunities and threats.

Strategic Plan

A systematic process for envisioning a desired future, and translating this vision into broadly defined goals or objectives and a sequence of steps to achieve them.