Quasars Appear to Be

question 342

Multiple Choice

Quasars appear to be:

• A) very distant, intrinsically bright objects moving in random directions at high speeds.
• B) very distant, intrinsically faint objects with very high blueshifts in their spectra.
• C) relatively close with very high redshifts.
• D) very distant, intrinsically bright objects with very high redshifts

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Definitions:

Linear Regression

A statistical method that models the relationship between a dependent variable and one or more independent variables by fitting a linear equation to observed data.

Regression Analysis

A statistical method for estimating the relationships among variables, often used to predict the value of a dependent variable based on the values of one or more independent variables.

Unknown Value

A value in a dataset or an equation that is not known or has not been determined.

Statistical Method

A collection of mathematical procedures and principles used for analyzing, interpreting, and presenting empirical data.