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

question 35

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 ranks test
• B) Wilcoxon rank sum test
• C) sign test
• D) Kruskal-Wallis test
• E) Spearman's rank correlation test

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Definitions:

Privately Owned

Describes businesses or assets owned by individuals or non-governmental entities, as opposed to being publicly traded or government-owned.

Publicly Owned

Refers to entities or businesses that are owned by the government or the public through publicly traded shares.

Inventory Costs

Expenses associated with holding and managing inventory, including storage, insurance, and loss of goods.

Equipment Costs

These are the expenses associated with purchasing or leasing machinery, tools, or other equipment required for the operation of a business or research activity.