An N × M Matrix, When Added to an M

question 93

True/False

An n × m matrix, when added to an m × n matrix (n ≠ m), yields an n × n matrix.

---

Definitions:

Longitudinal Case Study

An in-depth research method that involves observing a particular subject or subjects over an extended period.

Quantitative Questionnaires

Structured tools for collecting data in numerical form, often used in surveys and research.

Convenience Samples

A sampling method that consists of individuals who are easily accessible and willing to participate in a study, which may not represent the broader population.

Unmeasured Variables

Factors that can influence outcomes but are not explicitly accounted for in a research design.