If We Wish to Test Whether Two Related Populations Have

question 54

Multiple Choice

If we wish to test whether two related populations have equal medians, an appropriate nonparametric test to use is:

• A) the Mann-Whitney U test.
• B) the Kruskal-Wallis test.
• C) the Wilcoxon signed rank test.
• D) the Wilcoxon matched-pairs signed rank test.

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Definitions:

Weighted Average

A calculation that takes into account the varying degrees of importance of the numbers in a data set, often used in financial analyses to find an average value wherein each data point can carry a different weight.

Convexity

A measure of the curvature in the relationship between bond prices and yield, indicating how the duration of a bond changes as interest rates change.

Duration Predictions

Predictions about the length of time it will take for the price of a bond to be repaid by its internal cash flows.

Yield Falls

A situation where the yields on bonds decrease, which typically occurs when bond prices increase.