A Spacecraft Crash Lands on an Airless,lifeless Moon

question 24

Multiple Choice

A spacecraft crash lands on an airless,lifeless moon.All that survives,along with the crew,are some chickens,cornflakes,and vitamins.The air and water recyclers are functioning.To maximize their food supply until rescued,the crew should

• A) feed the cornflakes and vitamins to the chickens, then eat the eggs until rescued.
• B) kill all the chickens immediately, eat them first, then eat the cornflakes.
• C) mark each week's survival by eating one chicken.
• D) ration the chickens first; when they are all eaten, shift to the cornflakes.

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Definitions:

Exploratory Factor Analysis (EFA)

A statistical technique used to identify underlying structures (factors) that explain patterns of correlations within a set of observed variables.

Principal Components Analysis (PCA)

A statistical technique used to reduce the dimensionality of a dataset by transforming it into a set of linearly uncorrelated variables called principal components.

Factor Analysis

A statistical method used to identify underlying structures or factors among a set of observed variables by reducing data complexity.

Myth

A traditional story, especially one concerning the early history of a people or explaining some natural or social phenomenon, and typically involving supernatural beings or events.