The Underlying, Mathematical Objective in Principal Components Analysis Is to Obtain

question 13

Multiple Choice

The underlying, mathematical objective in principal components analysis is to obtain:

• A) Correlated linear combinations of the original variables that account for as much of the total variance in the original variables as possible.
• B) Uncorrelated linear combinations of the original variables that account for some of the total variance in the original variables.
• C) Uncorrelated linear combinations of the original variables that account for as much of the total variance in the original variables as possible.
• D) Uncorrelated combinations of the original variables that account for as much of the total variance in the original variables as possible.

---

Definitions:

Myelinated

Referring to nerve cells that are covered with myelin, a fatty substance that speeds up the transmission of nerve impulses.

Neurons

Specialized cells in the nervous system that transmit information to other nerve cells, muscle, or gland cells, functioning through electrical and chemical signals.

Infant's Brain

Refers to the early developmental stages of the brain in babies, characterized by rapid growth and formation of neural connections.

Cephalocaudal

A principle of growth and development where growth starts at the head and progresses downwards towards the feet.