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

question 15

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 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. The rank sum values for each of the programming groups are: T₁ = 23,T₂ = 48,and T₃ = 49.At $\alpha$ = .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 = 4.24,fail to reject the null hypothesis
• C)H = 5.99,reject the null hypothesis
• D)H = 5.99,fail to reject the null hypothesis

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