When Considering the Number of Technologically Advanced Civilizations in Our

question 34

Multiple Choice

When considering the number of technologically advanced civilizations in our galaxy, it is useful to consider

• A)the average life span of an alien.
• B)the average life span of the civilization.
• C)the distance to the civilization's planet.
• D)the type of advanced communication they use.

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Definitions:

Mixed Cost

A cost consisting both of variable and fixed components, which changes in total in response to changes in activity level but not necessarily in direct proportion.

Least-squares Regression

A method in statistics for finding the optimal line of fit by minimizing the sum of the squared deviations between real and estimated values.

Maintenance Cost

The expenses incurred to keep machinery, equipment, or buildings in operating condition and repair.

Machine-hours

An indicator of the duration for which equipment is utilized in the manufacturing process, commonly employed for distributing manufacturing overhead costs.