Careful Observations of Nearby Normal and Active Galaxies Reveal That

question 64

Multiple Choice

Careful observations of nearby normal and active galaxies reveal that the ass of the central black hole is well correlated with the mass of the galactic bulge.The ratio of bulge mass to black hole mass is roughly:

• A) 1 to 2000.
• B) 1 to 200.
• C) 1 to 20.
• D) 20 to 1.
• E) 200 to 1.

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Definitions:

P-values

A measure in statistical hypothesis tests representing the probability of observing the given or more extreme results assuming the null hypothesis is true.

Stepwise Regression

Stepwise regression is a statistical method of building predictive models by sequentially adding or removing variables based solely on their statistical significance.

Multiple Regression

A procedure within statistics for modeling how various independent variables impact a single dependent variable.

Independent Variables

Variables in an experiment or model that are manipulated or selected by the researcher to determine their effect on the dependent variable.