Examlex
The valve that guards the left atrioventricular orifice is called the _____ valve.
Squared Deviation
The square of the difference between an observed value and the mean, used in statistical analysis to measure variance.
Mean
The arithmetic average of a set of values, calculated by summing all the values and then dividing by the number of values.
Variance
A measure of the dispersion or spread of a set of data points around their mean value.
Variance
A measure of how much the values in a data set differ from the mean of that set.
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