Examlex
Traditional subsistence farming techniques are less efficient than large-scale farming techniques.
Standard Deviation
It quantifies the variability or dispersion across a set of data points by calculating the average distance from the mean for each data point.
Variance
A statistical measure of the spread of a set of scores, calculating the average of the squared differences from the mean.
Sample Variance
A measure of the dispersion of a set of data points in a sample population, calculated by taking the mean of squared deviations from the sample mean.
Sample Standard Deviation
A measure of the dispersion or spread of data points in a sample from its mean.
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