Examlex
Compare the orbital motion of stars in the Galactic disk with those in the halo.
Two-tailed Test
A statistical test in which the critical area of a distribution is two-sided and tests whether a sample is either greater than or less than a certain range of values.
Chi-squared Goodness-of-fit
A statistical test used to determine if a sample data fits a distribution from a certain population, based on the differences between observed and expected frequencies.
Two-tail Test
A statistical test that considers the possibility of observing extreme outcomes in both tails of the distribution.
Nominal Data
Data categorized into discrete groups or categories that cannot be ranked or ordered.
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