Active Galaxies Are Thought to Have _______ in Their Centers

question 125

Multiple Choice

Active galaxies are thought to have _______ in their centers.

• A)accretion disks
• B)massive black holes
• C)accretion disks and massive black holes
• D)the Local Group
• E)a cluster of galaxies

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Definitions:

Center

In statistics, the central tendency of a dataset, which is a measure that seeks to define the most typical or representative value of the dataset, like the mean, median, or mode.

Sampling Variability

The extent to which the statistic obtained from different samples for the same population varies.

Sample Mean

The average value of a set of observations sampled from a larger population.

Normally Distributed

A data distribution that is symmetrically shaped like a bell curve, with most data points clustering around a central mean value.