Examlex
Which important stellar parameter can be derived from the study of binary stars mutually bound to each other by gravitational forces?
Groups
In statistics, groups refer to sets of subjects or data points that are classified together based on certain characteristics.
Null Hypothesis
A proposal in statistics that suggests no observable effect or no association between variables, serving as a premise to be tested against experimental evidence.
Groups
Collections of individuals or items that are studied in research to observe, measure, and analyze certain behaviors or outcomes.
Critical Value
The threshold value that the test statistic must exceed in order to reject the null hypothesis in a statistical test.
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