Dark Matter ____

question 29

Multiple Choice

Dark matter ____.

• A) is homogenously distributed through the Universe
• B) began clumping due to tiny variations in density at the moment of the big bang
• C) began clumping due to large variations in the distribution of matter and antimatter
• D) is isotropically distributed through the Universe
• E) began clumping due to the variations in the distribution of baryonic matter

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Definitions:

Chi-square Test

A statistical test used to determine whether there is a significant association between two categorical variables.

Expected

A term often used in statistics and probability, referring to the predicted outcome or value in an experiment or random event.

Observed

Observed, in statistics, refers to the actual data or values collected from experiments or studies, as opposed to expected or theoretical values.

Chi-square Value

A statistic used to measure the differences between observed and expected frequencies in categorical datasets, testing for independence or goodness of fit.