Refer to the Mega-Stat/Excel Output for the Wilcoxon Rank Sum

question 67

Multiple Choice

Refer to the Mega-Stat/Excel output for the Wilcoxon rank sum test given in the table below. At a significance level of .05,which one of the following statements is correct regarding the following null hypothesis? H₀: D₁ is shifted to the right or left of D₂

• A)We reject H₀ and conclude there is very strong evidence that the median value of the first sample significantly differs from the median value of the second sample.
• B)We reject H₀ and conclude there is very strong evidence that the median value of the first sample is significantly less than the median value of the second sample.
• C)We failed to reject H₀ and conclude there is not sufficient evidence that the median value of the first sample is significantly less than the median value of the second sample.
• D)We failed to reject H₀ and conclude there is not sufficient evidence to conclude that the median value of the first sample is not significantly different than the median value of the second sample.
• E)We failed to reject H₀ and conclude there is very strong evidence that the median value of the first sample is significantly greater than the median value of the second sample.

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Definitions:

Equivalent Annual Cost

A financial analysis tool used to compare the cost effectiveness of different assets by breaking down their costs into equivalent annual amounts.

Net Present Value

The difference between the present value of cash inflows and the present value of cash outflows over a period of time for an investment.

Internal Rate of Return

Internal Rate of Return (IRR) is a financial metric used to evaluate the profitability of potential investments, representing the discount rate at which the net present value of costs (cash outflows) and benefits (cash inflows) of an investment equal zero.

Net Working Capital

A financial metric that represents the difference between a company's current assets and current liabilities.