Examlex
Body mass index is a direct measure of a body's fat-free mass.
Null Hypothesis
A statement of no effect or no difference, used as a baseline for statistical testing.
µ
The symbol µ (mu) commonly represents the population mean in statistics, which is the average value of a set of characteristics in a population.
μ
The symbol representing the mean (average) of a population in statistics.
T-Statistic
Re-defined: A value calculated from sample data during a t-test, used to assess the significance of the difference between two sample means.
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