What Is the Appropriate Nonparametric Method to Compare Two Populations

question 62

Multiple Choice

What is the appropriate nonparametric method to compare two populations when the samples are independent and where the normality requirement necessary to perform the parametric test is NOT satisfied?

• A) Wilcoxon rank sum test
• B) sign test
• C) Wilcoxon signed-rank sum test
• D) equal-variance t test of

---

Definitions:

Nominal Wage

The wage measured in current money or monetary units, without adjusting for inflation.

Real Wage

Wages adjusted for inflation, reflecting the actual purchasing power of income earned from labor.

Inflation

The tempo at which the aggregate cost of goods and services ascends, depleting the power of purchase.

Nominal Wage

Nominal Wage refers to the amount of money paid to workers in current dollars, without adjusting for inflation or purchasing power.