An Analyst at Your Company Has Told You That the Non-Parametric

question 2

Multiple Choice

An analyst at your company has told you that the non-parametric equivalent of the paired t-test is the 'non-paired u-test'. You don't believe him, but what is the correct answer?

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

---

Definitions:

Reasoning

The process of forming conclusions, judgments, or inferences from facts or premises through logical thinking.

Mechanical Functions

Refers to the operations performed by machinery, involving the application of mechanical principles and engineering design.

Cohort Effects

Also called history-graded events, they are events that provide a context for development and also influence it directly. The year of your birth marks your entry into a cohort of peers who accompany you through age-graded developmental changes within the context of a specific set of historical events.

Life-Course Perspective

The view that development is influenced by the intersection of chronological age (life time), family-related (family time), and membership in a birth cohort (historical time).