Consider a Planet at Rest and a Spaceship That Whizzes

question 16

Multiple Choice

Consider a planet at rest and a spaceship that whizzes past the planet at high speed.An observer on the planet sees a contracted spaceship,while an observer on the spaceship sees

• A)a contracted planet.
• B)an expanded planet.
• C)a normal planet.
• D)could be contracted or expanded depending on the direction of travel

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Definitions:

Independent

In statistics, a term used to describe two or more variables that are not associated with each other; each variable's distribution does not depend on the values of others.

Dependent

In statistics, a variable whose value depends on the influence or measurement of another variable.

Proportion

A statistical measure that represents the fraction of the total number of outcomes in a given category relative to the total number of outcomes in all categories.

Observations

Data collected or measured during an experiment or survey. They are the individual values recorded during the statistical study.