Examlex
The oxidation numbers of nitrogen in the nitride ion, hydrazine, ammonium cation, and nitrate ion are _, , _,and ,respectively.
Mean Difference
The statistical measure that describes the difference between the average values of two groups or samples.
Hypothesis Test
A statistical method used to determine the likelihood that a hypothesis about a dataset is true.
Mean Math Score
The arithmetic average of math scores across a specified group or sample.
Middle Distance Runners
Athletes who specialize in running races that are neither short sprints nor long-distance marathons, typically ranging from 800 to 5000 meters.
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