Astronomers Now Speculate That a Galaxy's Shape Depends on All

question 6

Multiple Choice

Astronomers now speculate that a galaxy's shape depends on all of the following except

• A) the rate of star formation.
• B) the history of past collisions.
• C) the mass.
• D) All of these may be important in determining a galaxy's shape.

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Definitions:

Statistic

A numerical measurement describing some characteristic of a sample.

Production Line

A series of sequential operations established in a factory where components are assembled to produce a finished product.

Inferential Statistics

The branch of statistics focused on drawing conclusions about a population based on a sample from that population.

Average GPA

The mean grade point average calculated by dividing the sum of all individual GPAs by the number of individuals.