Examlex
Why does gravitational contraction halt in collapsing protostars?
Chi-Squared Test
A statistical method applied to ascertain whether a meaningful relationship exists between two variables of categorical nature.
Nominal Data
Data categorized into distinctly named groups without any natural order or ranking among them.
Chi-Squared Test
A statistical hypothesis test used to determine whether there is a significant difference between the expected frequencies and the observed frequencies in one or more categories.
Expected Values
The mean of a probability distribution, representing the average outcome one expects to see if an experiment is repeated many times.
Q23: Inside the _, nothing, not even light,
Q36: Molecular clouds are much warmer than typical
Q44: What characteristic of a star cluster is
Q45: Some meteorites found on Earth are believed
Q46: The relative density of dust to gas
Q51: Star A has an absolute magnitude of
Q62: The Galactic center in _ is best
Q70: Novae are more closely related to Type
Q94: What are the two most important intrinsic
Q104: Short duration gamma-ray bursts are thought to