The Figure Below Shows the Rotation Curves of Several Spiral

question 51

Multiple Choice

The figure below shows the rotation curves of several spiral galaxies,extending to the very edge of their visible disks.What do these curves tell us about the distribution of dark matter in these galaxies?

• A) Most of the dark matter is in clumps.
• B) Most of the dark matter is in the bulge.
• C) Most of the dark matter is near stars.
• D) Most of the dark matter is in the galaxies' outskirts.

Distinguishing between descriptive and inferential statistics.

Recognizing and defining the types of variables in statistical studies.

Computing and understanding relative frequencies.

Comprehending the process and purpose of constructing frequency distributions.

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Definitions:

Good Continuation

Good continuation is a principle in Gestalt psychology that describes the tendency for the human visual system to perceive connected lines and patterns as continuing in a smooth, uninterrupted direction.

Proximity

The principle suggesting that objects that are physically close to each other tend to be perceived as belonging together.

Closure

The psychological term that describes an individual's desire or tendency to seek a sense of completeness or wholeness in perceiving or organizing information or experiences.