Examlex
Contrast S and P waves in terms of speed and transmission through the interior.
Equal Variances
A condition in statistical analysis where the variances across different groups are assumed to be the same.
Degrees Of Freedom
A statistical concept representing the number of independent values or quantities that can vary in the calculation of a statistic, critical in estimating population parameters.
Pooled Variance
A method used in statistics to estimate the variance of two or more populations when the assumption of equal variances is reasonable.
Sample Variances
The measure of variance calculated from a sample of a population, used to estimate the population variance.
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