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

question 21

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)Kruskal-Wallis test
• E)Spearman's rank correlation test

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Definitions:

Trek Executives

Senior managers or leaders within Trek Bicycle Corporation, responsible for strategic decision-making and overseeing the company's operations.

Organizational Buying Criteria

The specific attributes or standards that a business or institution considers when purchasing products or services.

Buying Center

A collection of members in an organization responsible for making decisions about buying products or services.

Roles

The defined behaviors, responsibilities, and functions expected to be performed by individuals in specific positions within an organization or society.