Examlex
The average energy of a wave is related to the square of its
Population Variances
A measure of the variability or spread of a population's data points, representing the average of the squared deviations from the mean.
Two-tail Test
A statistical test used to determine whether there is a significant difference between a sample and a population mean in either direction.
Sample Variances
A measure of the spread or dispersion of a set of sample data points.
Test Statistic
A value calculated from sample data during a hypothesis test used to determine whether to reject the null hypothesis.
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