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

question 75

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 company's programmers. The director of the programming division randomly selected five programmers from the users of each of the three programming languages and assigned the same simple programming task to each programmer. All three populations have highly skewed distributions with extreme outliers. The rank sum values for each of the programming groups are T₁ = 23, T₂ = 48, and T₃ = 49. At α = .05, does the median time required to program a simple task differ between the three different programming languages?

• A) H = 4.34, reject the null hypothesis.
• B) H = 4.34, do not reject the null hypothesis.
• C) H = 5.99, reject the null hypothesis.
• D) H = 5.99, do not reject the null hypothesis.

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Definitions:

Cash-flow Management

The process of monitoring, analyzing, and adjusting a business's cash inflows and outflows, ensuring liquidity and operational stability.

Cash Budget

A financial plan that estimates incoming and outgoing cash flows over a particular period, helping manage liquidity and plan for future needs.

Debt Ratio

A financial ratio that measures the extent of a company's or individual's leverage, calculated by dividing total liabilities by total assets.

Micro-aging Schedule

A detailed plan or method for categorizing accounts receivable based on the age of the invoice, typically used to manage and prioritize collections.