A Nonparametric Method for Determining the Differences Between Two Populations

question 14

Multiple Choice

A nonparametric method for determining the differences between two populations based on two matched samples where only preference data is required is the

• A)Mann-Whitney-Wilcoxon test
• B)Wilcoxon signed-rank test
• C)sign test
• D)Kruskal-Wallis Test

---

Definitions:

Random Sample

A sample drawn in such a way that each member of the population has an equal chance of being included.

Point Estimate

The best single guess for a population parameter based on sample data. It represents a single value estimate of a parameter.

Population Parameter

A value that represents a characteristic of an entire population, such as its mean or standard deviation.

Random Sample

A subset of individuals chosen from a larger set, where each member has an equal chance of being selected, ensuring unbiased representation.